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Elza [17]
3 years ago
6

1, 1/4, 1/9, 1/16, 1/25.... write the explicit formula for this sequence

Mathematics
2 answers:
Dimas [21]3 years ago
8 0

a_n=\dfrac{1}{n^2}

VMariaS [17]3 years ago
5 0

\bf \stackrel{\frac{1}{1^2}}{1}~~,~~\stackrel{\frac{1}{2^2}}{\cfrac{1}{4}}~~,~~\stackrel{\frac{1}{3^2}}{\cfrac{1}{9}}~~,~~\stackrel{\frac{1}{4^2}}{\cfrac{1}{16}}~~,~~\stackrel{\frac{1}{5^2}}{\cfrac{1}{25}}~\hspace{7em}a_n=\cfrac{1}{n^2}

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