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Let f(x) be twice differentiable functio...

Let `f(x)` be twice differentiable function such that `f'(0) =2`, then, `lim_(xto0) (2f(x)-3f(2x)+f(4x))/(x^2)`, is

A

6

B

3

C

12

D

0

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MTG-WBJEE-DERIVATIVES -WB JEE PREVIOUS YEARS QUESTIONS
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  15. For all twice differentiable functions f : R to R , with f(0) = f...

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  16. Let f1(x)=e^x,f2(x)=e^(f1(x)),......,f(n+1)(x)=e^(fn(x)) for all n>=1....

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  17. Let f : [a,b] to Rbe differentiable on [a,b]& k in R. Let f (a) =0 = f...

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  21. Let f be arry continuously differentiable function on [a,b] and twice ...

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