Start learning →

For a, b ≠ 0, expand (ab)^-2.

Aa^-2 b^2
Ba^-2 + b^-2
Ca^2 b^-2
Da^-2 b^-2
Answer & Solution
Correct answer: D. a^-2 b^-2
A power of a product applies the same exponent to each factor.
Practise this question with Quill — ICSE Class 8 →

Keep practising Exponents And Powers

Browse all Exponents And Powers questions for ICSE Class 8, or explore more Mathematics topics.

Start a Exponents And Powers lesson →
Related questions
For real x ≠ 0, which are all solutions of x^-2 = 4?For integer n, factor 2^n + 2^(n+1).Given a² = 4 for real a, find a^-4.For a, b ≠ 0, simplify ab(a^-1 + b^-1).Square area = side². If the side doubles, the area is multiplied by?A code has 7 positions, each independently 0 or 1. How many codes?A culture starts with 3 cells and doubles four times. Final count?Cube volume = side³. Side is 2 × 10^-2 m. Volume?