Find the value of S= ( sum_{n=1}^ infty frac{(-1)^{n+1} times (2n-1) – McqOptions

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1.	Find the value of S= ( sum_{n=1}^ infty frac{(-1)^{n+1} times (2n-1)^3}{(2n-1)!} ) using n^th derivatives.
A.	2 * sin(1)
B.	3 * sin(1)
C.	3 * cos(1)
D.	3 * cos(1)
Answer» B. 3 * sin(1)

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