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let f(x) = {:{( x^(2) , x le 0) , ( ax...

let ` f(x) = {:{( x^(2) , x le 0) , ( ax , x gt 0):}` then f (x) is derivable at x = 0 if

A

a = 0

B

a =1

C

`a ne 1 `

D

Not possible

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A
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AAKASH INSTITUTE-CONTINUITY AND DIFFERENTIABILITY-Assignment ( section -A)
  1. Let f(x) = sin"" 1/x, x ne 0 Then f(x) can be continuous at x =0

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  2. If f(x) = {:{(px^(2)-q, x in [0,1)), ( x+1 , x in (1,2]):} and f(1...

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  3. let f(x) = {:{( x^(2) , x le 0) , ( ax , x gt 0):} then f (x) is d...

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  4. If f is derivable at x =a,then underset(xto a ) lim( (xf(a) -af( x))/...

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  5. Let f(x) = x|x| then f'(0) is equal to

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  6. If f(x) =|x| , then f'(0) is

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  7. Let f(x)= {:{ (x + a , x ge 1 ) , ( ax^(2) + 1, x lt 1) :} then f(x)...

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  8. If f(x )=sqrt(25-x^(2)), then what is underset(xto1)lim(f(x)-f(1))/(x-...

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  9. if f(x)=e^(-1/x^2),x!=0 and f (0)=0 then f'(0) is

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  10. If f(x)=log|x|,xne0 then f'(x) equals

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  11. d/(dx) (sin^(-1) "" (2x)/(1+x^(2))) is equal to

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  12. Differential coefficient of log10 x w.r.t logx 10 is

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  13. Find (dy)/(dx) if y=log{e^x((x-2)/(x+2))^(3/4)}

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  14. If y=(e^x-e^(-x))/(e^x+e^(-x)) , prove that (dy)/(dx)=1-y^2

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  15. If y=ae^(mx)+be^(-mx) then (d^2y)/(dx^2) is

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  16. If y^(2) = ax^(2) + b , " then " (d^(2)y)/( dx^(2))

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  17. If y=(log x)/(x) then (d^(2)y)/(dx^(2))=

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  18. Differentiate the following w.r.t.x. The differentiation coneffiecient...

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  19. If y=(1+x)(1+x^2)(1+x^4)(1+x^(2n)), then find (dy)/(dx)a tx=0.

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  20. If f(x) = cos x cos 2x cos 4x cos (8x). cos 16x then find f' (pi/4)

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