Question

solve the following attachment



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Answer 1

given=>

$= a {}^{ \frac{7}{n} } \times a {}^{ \frac{n - 1}{n} } \\ \\ we \: know \: that \: \\ = > a {}^{n} \times a {}^{m} = a {}^{n \times m} \\ \\ = a {}^{ \frac{7}{n} + \frac{n - 1}{n} } \\ \\ = a {}^{ \frac{7 - 1 + n}{n} } \\ \\ = a {}^{ \frac{6 + n}{n} }$

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