99 Percentile Qs Bank for JEE MainMathematicsLimits
If f: R R is such that f(3)=16, f^ (3)=4 , then _ x 3 x f(3)-3 f(x) x-3 =
Options
- A4
- B6
- C8
- D12
Correct answer
A. 4
Step-by-step solution
f(3)=16 f^ (3)=4 _ x 3 x f(3)-3 f(x) x-3 [ 0 0 . form ] By L^ Hospital Rule, _ x 3 f(3)-3 f^ (x) 1 f(3)-3 f^ (3) 16-3(4) 4