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Negative indices and combined index laws

DIFFICULTYintrostandardchallengeexam
QUESTION TYPEMix of allChange
Single negative powerPositive base; odd indexPositive base; even indexNegative base; odd indexNegative base; even indexNOWMix of allRecommended
Question 1 of 8

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Use the negative-index rule to rewrite the expression

\[a^{-2}\]

Retain these original nonzero-base restrictions:

\[a \ne 0\]
1 mark

Write an equivalent form with a positive index