Question

Let f(x) = ∫(1/(4 - 3cos²x + 5sin²x))  and its anti-derivative F(x) = 1/3tan^-1(g(x)) + c, then

(A) g(x) is equal to 3 tanx

(B) g(π/4) is equal to 3

(C) g'(π/3) is equal to 6

(D) g'(π/3) is equal to 12

Answer 1

Answer is  (B), (D)