Q. 56 The function f(x) = x sinx satisfies the following equation f”(x) + f(x) + t cosx = 0. The value of t is
(A) -1
(B) -2
(C) 1
(D) 2
Answer: (B)
Explanation:
Q. 56 The function f(x) = x sinx satisfies the following equation f”(x) + f(x) + t cosx = 0. The value of t is
(A) -1
(B) -2
(C) 1
(D) 2
Answer: (B)
Explanation:
