Question:

What is the answer to this sum?

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Let an be the n th digit after the decimal point in

6pi+2e. Evaluate

infinity on top

n=1

sigma an(.1)^n.

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  1. (0.1)^n get yu 0.1, 0.001, 0.0001...

    so this add up all digits after the desimal point

    so add 6*pi+2*e & drop stuf left av desimal point

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