Test SeriesFree PYQsExamsPricing

JEE Advanced Mathematics question

MathematicsContinuity and DifferentiabilityJEE Advanced

The left-hand derivative of at , where is an integer and = greatest integer not greater than , is

Answer: (A)

Solution

. For small , and

π(k-h) = kππ h - kπ π h = -(-π h = (-π h.

f'(k-0) =

See the full step-by-step solution

Create a free account to read the complete working (4 steps), and practise questions like this in a timed test.

Create a free account

Question ID VK-110548