MP 12th Maths

MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 1 to 7

MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 1 to 7

MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन

Ex 7.1

निम्नलिखित फलनों के प्रतिअवकलज (समाकलन) निरीक्षण विधि द्वारा ज्ञात कीजिए। –

प्रश्न 1.
sin2x
हल:

प्रश्न 2.
cos 3x
हल:

प्रश्न 3.
e2x
हल:
हम जानते हैं कि e2x = 2e2x
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 1

प्रश्न 4.
(ax + b)2
हल:
हम जानते हैं कि

प्रश्न 5.
sin 2x – 4e3x
हल:
हम जानते हैं
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 3

निम्नलिखित समाकलनों को ज्ञात कीजिए।

प्रश्न 6.

प्रश्न 7.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 5

प्रश्न 8.

प्रश्न 9.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 7

प्रश्न 10.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 8
हल:

प्रश्न 11.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 33
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 10

प्रश्न 12.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 11
हल:

प्रश्न 13.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 13
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 14

प्रश्न 14.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 15
हल:

प्रश्न 15.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 17
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 18

प्रश्न 16.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 19
हल:

प्रश्न 17.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 21
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 22

प्रश्न 18.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 23
हल:

प्रश्न 19.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 25
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 26

प्रश्न 20.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.1 img 27
हल:

Ex 7.2

प्रश्न 1 से 37 तक के प्रश्नों में प्रत्येक फलन का समाकलन ज्ञात कीजिए-

प्रश्न 1.

प्रश्न 2.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 2

प्रश्न 3.

प्रश्न 4.
sin x sin (cosx)
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 4

प्रश्न 5.
sin (ax + b) cos (ax + b)
हल:

प्रश्न 6.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 6

प्रश्न 7.

प्रश्न 8.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 46

प्रश्न 9.

प्रश्न 10.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 61
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 48

प्रश्न 11.

प्रश्न 12.
(x3 – 1)1/3 . x5
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 12

प्रश्न 13.

प्रश्न 14.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 14

प्रश्न 15.

प्रश्न 16.
e2x+3
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 16
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 51

प्रश्न 17.

प्रश्न 18.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 18

प्रश्न 19.

प्रश्न 20.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 20

प्रश्न 21.
tan2(2x – 3)
हल:

प्रश्न 22.
sec2 (7 – 4x)
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 22
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 54

प्रश्न 23.

प्रश्न 24.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 24
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 25

प्रश्न 25.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 26
हल:

प्रश्न 26.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 57

प्रश्न 27.

प्रश्न 28.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 30

प्रश्न 29.
cot x log sin x
हल:

प्रश्न 30.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 33

प्रश्न 31.

प्रश्न 32.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 34
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 63

प्रश्न 33.

प्रश्न 34.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 36

प्रश्न 35.

प्रश्न 36.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 66
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 60

प्रश्न 37.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.2 img 40
हल:

Ex 7.3

प्रश्न 1.
sin2(2x + 5)
हल:

प्रश्न 2.
sin 3x cos 4x
हल:

प्रश्न 3.
cos 2x cos 4x cos 6x
हल:
MP Board Class 12th Maths Solutions Chapter 7 समाकलन Ex 7.3 4

प्रश्न 4.
sin2 (2x + 1)
हल:
MP Board Class 12th Maths Solutions Chapter 7 समाकलन Ex 7.3 5

प्रश्न 5.
sin3 x cos3 x
हल:
MP Board Class 12th Maths Solutions Chapter 7 समाकलन Ex 7.3 7

प्रश्न 6.
sin x sin 2x sin 3x
हल:

प्रश्न 7.
sin 4x sin 8x
हल:
MP Board Class 12th Maths Solutions Chapter 7 समाकलन Ex 7.3 10

प्रश्न 8.

प्रश्न 9.

हल:
MP Board Class 12th Maths Solutions Chapter 7 समाकलन Ex 7.3 12
MP Board Class 12th Maths Solutions Chapter 7 समाकलन Ex 7.3 13

प्रश्न 10.
sin4 x
हल:

प्रश्न 11.
cos4 2x
हल:
MP Board Class 12th Maths Solutions Chapter 7 समाकलन Ex 7.3 15

प्रश्न 12.

प्रश्न 13.

हल:
MP Board Class 12th Maths Solutions Chapter 7 समाकलन Ex 7.3 18

प्रश्न 14.

प्रश्न 15.
tan32x sec 2x
हल:

प्रश्न 16.
tan4 x
हल:
MP Board Class 12th Maths Solutions Chapter 7 समाकलन Ex 7.3 22

प्रश्न 17.

प्रश्न 18.

हल:
MP Board Class 12th Maths Solutions Chapter 7 समाकलन Ex 7.3 24

प्रश्न 19.

हल:

प्रश्न 20.

हल:
MP Board Class 12th Maths Solutions Chapter 7 समाकलन Ex 7.3 26

प्रश्न 21.
sin-1(cos x)
हल:

प्रश्न 22.

हल:
MP Board Class 12th Maths Solutions Chapter 7 समाकलन Ex 7.3 28

Ex 7.4

प्रश्न 1.

प्रश्न 2.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 2

MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 4

प्रश्न 3.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 5
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 6

प्रश्न 4.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 8

प्रश्न 5.

प्रश्न 6.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 10

प्रश्न 7.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 11
हल:

प्रश्न 8.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 13
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 14

प्रश्न 9.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 15
हल:

प्रश्न 10.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 17
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 18

प्रश्न 11.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 19
हल:

प्रश्न 12.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 21
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 22

प्रश्न 13.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 23
हल:

प्रश्न 14.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 25
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 26
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 27

प्रश्न 15.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 28
हल:

प्रश्न 16.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 30
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 31

प्रश्न 17.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 32
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 33

प्रश्न 18.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 35
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 36

MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 38

प्रश्न 19.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 39
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 40

MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 42
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 43

प्रश्न 20.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 44
हल:

MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 46

प्रश्न 21.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 47
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 48

प्रश्न 22.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 50
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 51

प्रश्न 23.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 53
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 54

MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.4 56

Ex 7.5

प्रश्न 1.

हल:

प्रश्न 2.

हल:

प्रश्न 3.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 4
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 5
⇒ 3x – 1 = A(x – 2) (x – 3) + B(x – 1) (x – 3) + C(x – 1) (x – 2) …(1)
समी० (1) में x = 1 रखने पर,
3 – 1 = A(1 – 2) (1 – 3)
⇒ 2 = A(-1) (-2) ⇒ A = 1
पुनः समी० (1) में x = 2 रखने पर,
6 – 1 = B(2 – 1) (2 – 3)
⇒ 5 = B(1) (-1) ⇒ B = -5
समी० (1) में x = 3 रखने पर,
9 – 1 = C(3 – 1) (3 – 2)
⇒ 8 = C(2) (1) ⇒ C = 4

प्रश्न 4.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 7
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 8

MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 10

प्रश्न 5.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 11

प्रश्न 6.

हल:

MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 13

प्रश्न 7.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 14

प्रश्न 8.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 16
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 17

प्रश्न 9.

हल:

MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 19

प्रश्न 10.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 20

प्रश्न 11.

हल:

प्रश्न 12.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 24
हल:
∵ अंश की घात, हर से अधिक है ।
∴ हर से अंश को भाग करने पर

प्रश्न 13.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 27
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 28

प्रश्न 14.

हल:

प्रश्न 15.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 31
1 ≡ A(x – 1) (x2 + 1) + B(x + 1) (x2 + 1) + (Cx + D) (x + 1) (x – 1) …(1)
समी० (1) में x = -1 रखने पर,
1 = A (-1 – 1) (1 + 1)
⇒ 1 = A(-4) ⇒ A = 
समी० (1) में x =1 रखने पर,
1 = B (1 + 1) (1 + 1)
⇒ 1= B (2) (2) ⇒ B = 
समी० (1) में x3 के गुणांकों की तुलना करने पर,
0 = A + B + C

प्रश्न 16.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 33
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 34

प्रश्न 17.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 35
हल:

प्रश्न 18.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 37
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 38
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 39

प्रश्न 19.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 40
हल:

MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 42

प्रश्न 20.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 43

प्रश्न 21.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 44
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.5 45

Ex 7.6

प्रश्न 1.
x sinx
हल:

प्रश्न 2.
x sin 3x
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 2

प्रश्न 3.
x2 ex
हल:

प्रश्न 4.
x log x
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 4

प्रश्न 5.
x log 2x
हल:

प्रश्न 6.
x2 logx
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 6

प्रश्न 7.
xsin-1 x
हल:

MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 8

प्रश्न 8.
x tan-1 x
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 9
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 10

प्रश्न 9.
x cos x
हल:

प्रश्न 10.
(sin-1x)2
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 12

प्रश्न 11.

प्रश्न 12.
x sec2x
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 14

प्रश्न 13.
tan-1 x
हल:

प्रश्न 14.
x (logx)2
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 17

प्रश्न 15.
(x2 + 1)logx
हल:

प्रश्न 16.
ex (sin x + cosx)
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 19

प्रश्न 17.

प्रश्न 18.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 21
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 22

प्रश्न 19.

प्रश्न 20.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 24

प्रश्न 21.
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 27
हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 28
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.6 29

Ex 7.7

प्रश्न 1.

प्रश्न 2.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.7 2

प्रश्न 3.

प्रश्न 4.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.7 4

प्रश्न 5.

प्रश्न 6.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.7 6

प्रश्न 7.

प्रश्न 8.

प्रश्न 9.

हल:
MP Board Class 12th Maths Book Solutions Chapter 7 समाकलन Ex 7.7 10

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