calculate the sum of (-1)^n (n/8^n) i know fourier coefficients and bessels inequality how to evaluate this
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The sum, , can be evaluated by using only elementary techniques. Let ...(1) ...(2) Adding (1) and (2) gives the incredible result so
Last edited by sbhatnagar; Nov 24th 2012 at 04:42 AM.
i did not understand the step which produces the incredible result can yu please explain
Originally Posted by prasum i did not understand the step which produces the incredible result can yu please explain _______________________________ add them...
Originally Posted by prasum i did not understand the step which produces the incredible result can yu please explain You posted this in the calculus forum. So I assume it should be done using calculus. If then . The multiply by to get . In this question .
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