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Exercise

$\frac{7-7\left(-1\right)^n}{\pi^2n^2}$

Step-by-step Solution

1

Factor the polynomial $7-7{\left(-1\right)}^n$ by it's greatest common factor (GCF): $7$

$\frac{7\left(1-{\left(-1\right)}^n\right)}{\pi ^2n^2}$

Final answer to the exercise

$\frac{7\left(1-{\left(-1\right)}^n\right)}{\pi ^2n^2}$

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