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Find the intervals in which f(x)=(4x^2+1...

Find the intervals in which `f(x)=(4x^2+1)/x` is increasing or decreasing.

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RD SHARMA ENGLISH-INCREASING AND DECREASING FUNCTION -All Questions
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  2. Find the intervals in which the function f(x)=log(1+x)-(2x)/(2+x) is i...

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  3. Find the intervals in which f(x)=(4x^2+1)/x is increasing or decreasin...

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  4. Determine the intervals in which the function f(x)=x^4-8x^3+22 x^2-24 ...

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  5. Find the intervals for which f(x)=x^4-2x^2 is increasing or decreasing...

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  6. Determine the values of x for which f(x)=(x-2)/(x+2),\ \ x!=-1 is incr...

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  7. Find the intervals in which f(x)=x/2+2/x ,\ \ x!=0 is increasing or de...

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  8. Find the intervals in which the function f given by f(x)=\ x^3+1/(...

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  9. For which values of x , the function f(x)=x/(x^2+1) is increasing and ...

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  10. Find the intervals in which f (x) = 2 log (x - 2) - x^2 + 4x +1 is inc...

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  11. Separate [0,\ pi//2] into subintervals in which f(x)=sin3x is increasi...

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  12. Find the derivative of the function given by f(x)=(4sinx-2x-xcosx)/(2+...

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  13. Separate the interval [0,\ pi//2] into sub-intervals in which f(x)=sin...

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  14. Find the intervals in which the function f given by f(x)=sinx+cosx ,\...

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  15. Find f ' (x) iff(x)= sin3xcos3x

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  16. Prove that the function f(x)=x^3-3x^2+3x-100 is increasing on R .

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  17. Let I be an interval disjointed from [-1,\ 1] . Prove that the functio...

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  18. Show that the function f(x)=3/x+7 is decreasing for x in R-{0} .

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  19. Show that the function x+1//x is increasing for x >1 .

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  20. Find the second order derivative of function f(x)=sinx+cosx with respe...

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