Question 1206539
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{{{(7x^(-6))^2}}}


= {{{7^2*(x^(-6))^2}}}


= {{{49*x^(-6*2)}}}


= {{{49*x^(-12)}}}


= {{{49*(1/(x^12))}}}


= {{{49/(x^12)}}}



Therefore,
{{{(7x^(-6))^2=49/(x^12)}}} where {{{x <> 0}}} to avoid a division by zero error.
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