CUET Preparation Today
The function $y=f(x)$ has extreme values at the points where ____________ |
$f'(x)>0$ $f'(x)<0$ $f'(x)=0$ $f''(x)>0$ |
$f'(x)=0$ |
The correct answer is Option (3) → $f'(x)=0$ $f(x)$ always has extreme points at $f'(x)=0$ as sing of f(x) changes on extreme points |
