Application of DerivativeHard
Question
Let f(x) =
Then, at x = 0, f has
Then, at x = 0, f hasOptions
A.a local maximum
B.no local maximum
C.a local minimum
D.no extremum
Solution

It is clear from figure that at x = 0. f (x) is not continuous.
Hence, f has no extremum at x = 0
Create a free account to view solution
View Solution FreeMore Application of Derivative Questions
The maximum value of (cos α1).(cos α2) ...... (cos αn) under the restrictions 0 ≤ α1, α2,...The angle of intersection between curves y = x3 and 6y = 7 − x2 at point (1, 1) is-...If the function f(x) = x3 - 6x2 + ax + b defined on [1, 3], satisfies the rolle′s theorem for c = , then-...Let f(x) = (x − 4) (x − 5) (x − 6) (x − 7) then...The normal to the curve, x2 + 2xy - 3y2 = 0, at (1, 1)...