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If f''(0)=k,kne0 then the value of lim(x...

If `f''(0)=k,kne0` then the value of `lim_(xrarr0)(2f(x)-3f(2x)+f(4x))/(x^(2))` is

A

k

B

2k

C

3k

D

4k

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2017-Multiple Choice Questions
  1. If f(x)=log(5)log(3)x, then f'(e ) is equal to

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  2. Let F(x)=e^(x),G(x)=e^(-x) and H(x)=G(F(x)), where x is a real variabl...

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  3. If f''(0)=k,kne0 then the value of lim(xrarr0)(2f(x)-3f(2x)+f(4x))/(x^...

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  4. If y=e^(msin^(-1)x), then (1-x^(2))(d^(2)y)/(dx^(2))-x(dy)/(dx)-ky=0. ...

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  5. The chord of the curve y=x^(2)+2ax+b. Joining the points where x=alpha...

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  6. Let f(x)=x^(13)+x^(11)+x^(9)+x^(7)+x^(5)+x^(3)+x+19. Then f(x)=0 has

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  7. Let f(x)={{:(x^(p)/((sinx)^(q))" , if "0ltxle(x)/(2)),(" 0 ,...

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  8. lim(xrarr0)(sinx)^(2tanx)

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  9. intcos(logx)dx=F(x)+c, where c is an arbitrary constant. Here F(x) =

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  10. int(x^(2)-1)/(x^(4)+3x^(2)+1)dx(xgt0) is

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  11. Let l=int(10)^(19)(sinx)/(1+x^(8))dx. Then.

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  12. Let l(1)=int(n)^(n)[x]dxandI(2)=int(0)^(n)|x|dx, where [x] and |x| are...

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  13. The value of lim(nrarroo)[(n)/(n^(2)+1^(2))+(n)/(n^(2)+2^(2))+...+(1)/...

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  14. The value of the integral int(0)^(1)e^(x^(2))dx

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  15. int(0)^(100)e^(x-[x])dx =

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  16. Solution of (x+y)^(2)(dy)/(dx)=a^(2) ('a' being a constant) is

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  17. The integrating factor of the first order differential equation x^(2)(...

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  18. In a G.P. series consisting of positive terms, Each term is equal to t...

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  19. If (log(5)x)(log(x)3x)(log(3x)y)=log(x)x^(3). Then y equals

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  20. The expression ((1+i)^(n))/((1-i)^(n-2)) equals

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