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If f(x)=x^2+2x+7 , find f\ '\ (3) ....

If `f(x)=x^2+2x+7` , find `f\ '\ (3)` .

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RD SHARMA ENGLISH-DIFFERENTIABILITY-All Questions
  1. If f(x)={a x^2-b ,\ \ \ if\ |x|<1 1/(|x|),\ \ \ \ \ \ \ \ \ \ \ \ if\ ...

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  2. Find the values of a and b , if the function f(x) defined by f(x)={x^2...

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  3. If f(x)=x^2+2x+7 , find f\ '\ (3) .

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  4. Find f\ '\ (2) and f\ '\ (5) when f(x)=x^2+7x+4 .

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  5. For the function f given by f(x)=x^2-6x+8 , prove that f\ '\ (5)=4 .

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  6. Discuss the continuity and differentiability of f(x)={1-x ,\ \ \ \ ...

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  7. Discuss the differentiability of f(x)=|x-1|+|x-2|

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  8. If f(x)={x^2+3x+a ,\ \ \ for\ xlt=1b x+2,\ \ \ \ \ \ \ \ \ \ \ \ \ for...

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  9. Discuss the differentiability of f(x)=|(log)ex| ,x>0

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  10. If f is defined by f(x)=x^2 , find f\ '\ (2) .

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  11. If f is defined by f(x)=x^2-4x+7 , find f\ '\ (x)

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  12. find the derivative of the function f given by f(x)=2x^3-9x^2+12 x+9

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  13. If for the function "Phi"(x)=lambdax^2+7x-4,\ \ "Phiprime^"(5)=97 , fi...

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  14. If f(x)=x^3+7x^2+8x-9 , find f\ '\ (4) .

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  15. Find the derivative of the function f defined by f(x)=m x+c at x=0 ...

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  16. Examine the differentiability of the function f defined by f(x)={2x+...

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  17. Write an example of a function which is everywhere continuous but f...

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  18. Discuss the continuity and differentiability of f(x)=|log|x|| .

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  19. Discuss the continuity and differentiability of f(x)=e^(|x|) .

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  20. Discuss the continuity and differentiability of f(x)={(x-c)cos(1/(x...

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