Alba M.

asked • 07/04/18# math question

an = (-1)^n/5n+4, n=1,2,3 . . .

(the n is supposed to go under the a but i don't know how to put it that way through typing)

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## 1 Expert Answer

That 'n' is a subscript.

There should be a key that looks similar to x

_{2}. It will let you type a_{n}.aa

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Mark M.

07/04/18