Question

$the value of \sqrt[4]{81}^{-2}$
9
1/81
1/3
1/9​

Answer 1

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Q:-$the value of \sqrt[4]{81}^{-2}$

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$➠ { \sqrt[4]{81} }^{ - 2}$

$➠ {( {81}^{ \frac{1}{4} } )}^{ - 2}$

$➠ {( { ({3}^{4} )}^{ \frac{1}{4} } )}^{ - 2}$

$➠ {(3)}^{ - 2}$

$➠ \frac{1}{ {(3)}^{2} } = \frac{1}{9}$✓

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