Published by:
CGP EDU Academic Team
Published on: August 14, 2026
f is continuous in [a, b] and differentiable in (a, b) (where a > 0 ) such that
=
. Prove that there exist x 0 ∈ (a, b) such that f ′ (x 0 ) =
.
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Let g(x) =
, x ∈ [a, b]
By Rolle’s theorem, g’(x 0 ) = 0
⇒
= 0
⇒ f ′ (x 0 ) = 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
If f(x) = cos π x + 10x + 3x 2 + x 3 , – 2 ≤ x ≤ 3 then absolute minimum value of f(x) is-
The function f(x) = x 5 – 5x 4 + 5x 3 – 1 has-
The function f(x) = has no extrema. if (n ∈ z)
If x exceeds by its square by the greatest possible quantity then x is-
An extreme value of the function
f(x) = (sin –1 x) 3 + (cos –1 x) 3 (–1 < x < 1) is
Let f(x) = (t + 4) 4 log (t+ 1) dt, then -