Question

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Answer 1

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${ ({27}^{ \frac{2}{3} } - {81}^{ \frac{1}{2} } ) }^{a} = 0$

we can write it as

${ ({3}^{3 \times \frac{2}{3} } - {9}^{2 \times \frac{1}{2} } ) }^{a} = 0$

$= {({3}^{2} - 9 )}^{a} = 0$

${ ({3}^{2} - {3}^{2} ) }^{a} = 0$

${0}^{a} = 0$

ur answer is 0

because 0 raise to power 0 is undefined.

therefore, value of a can be anything except 0.

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