KSEEB Solutions for Class 8 Maths Chapter 10 Exponents Ex 10.6

KSEEB Solutions for Class 8 Maths Chapter 10 Exponents Ex 10.6

Karnataka Board Class 8 Maths Chapter 10 Exponents Ex 10.6

Question 1.

∴ m² = 2m
m.m=2m
m=2
It can happen if m=2

Question 3.
Find all positive integers m, n such that (3^m)ⁿ = 3^m × 3ⁿ
Answer:
(3^m)ⁿ = 3^m × 3ⁿ
3^mn = 3^m+n
mn = m + n
2 × 2 = 2 + 2
∴ m = 2, n = 2
(m, n) = (2, 2)