JEE Main 2024 Mathematics question

MathematicsLimitJEE Main 2024

Let f : [−π/2, π/2] → ℝ be a differentiable function such that f(0) = 1/2. If , then 8α² is equal to :

Answer: (D)

Solution

The limit has the form 0/0. By L'Hôpital's rule it equals lim [∫₀ˣf(t)dt + x f(x)]/(2x ² = lim [(∫₀ˣf(t)dt/x)/² +

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Question ID VK-017076