Latest KVPY Aptitude Question SOLUTION: Let f : R → R be a differentiable function such that f (a) = 0 = f (b) and f ′(a) f ′(b) > 0 for some a < b. Then the minimum number of roots of f ′(x = 0 in the interval (

• Placement Papers
• /
• KVPY

KVPY Question Papers:

(#M40027242) KVPY question Mental Ability -2010 Keep an EYE

Let f : R → R be a differentiable function such that f (a) = 0 = f (b) and f ′(a) f ′(b) > 0 for some a < b. Then
the minimum number of roots of f ′(x = 0 in the interval (a, b) is-
(A) 3 (B) 2 (C) 1 (D) 0

Asked In KVPY (11 years ago)

Unsolved

Is this Puzzle helpful?   (1)   (0) Submit Your Solution