Question

Let the smallest positive value of x for which the function ` f(x)=sin""(x)/(3)+sin""(x)/(11), ( x in R )` achieves its maximum value be ` x_(0)`. Express `x_(0)` in degree i.e. ` x_(0)=alpha^(0)`. Then , the sum of the digits in ` alpha ` is
A. 15
B. 17
C. 16
D. 18

Answer 1

Correct Answer - D