Mathematics for IGCSE & O level - Indices 2 (Section 1 - No. 36)

Simplify: (3a2b)2
3a4b2
6a4b2
9a4b2
9a2b2

Explanation

Square each term in the parenthesis: 32 * (a2)2 * b2 = 9a4b2.

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