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

Simplify: a-2 / a-5
a-7
a3
a7
1/a3

Paaiškinimas

When dividing indices with the same base, subtract the powers: a-2 / a-5 = a-2 - (-5) = a3

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