Question

solve
${( {6}^{ - 1} + {7}^{ - 1} ) }^{2}$
​

Answer 1

Answer:

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$({6}^{ -1 } + {7}^{ - 1} )2 \\ = > ( \frac{1}{6} + \frac{1}{7} )2 \\ = > \frac{7 + 6}{42} \\ = > \frac{13}{42}$

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