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in Binomial theorem by (46.6k points)

If S = ∑ (log x)2x/(2n)!, for n  [∞,n = 0]  then S =

(A)   x  + x -1 

(B)   x - x-1

(C)  1/2(x + x-1)

(D) None of these

1 Answer

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Best answer

Correct option  (C)  1/2 (x + x-1)

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