Question

Let,$f(\theta)=\frac{sin^4\theta+3cos^2\theta}{sin^4\theta+cos^2\theta},$then range of f(θ) ∈ [a, b]. The sum of infinite G.P., where first term is 64 and common ratio is a/b is equal to:

• A. 32
• B. 64
• C. 96
• D. 108

Answer 1

Answer: (C)

96

Answer 2

The Correct answer is option is (C) : 96