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Find the derivative of f given by f(x)= ...

Find the derivative of f given by `f(x)= tan^(-1) x` assuming it exists.

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The correct Answer is:
`= (1)/(1+x^(2))`
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NCERT TAMIL-CONTINUITY AND DIFFERENTIABILITY-MISCELLANEOUS EXERCISE ON CHAPTER 5
  1. Find the derivative of f given by f(x)= tan^(-1) x assuming it exists.

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  2. Differentiate w.r.t.x the function in Exercises 1 to 11. (3x^(2)-9x+...

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  3. Differentiate w.r.t.x the function. sin^(3)x+ cos^(6)x

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  4. Differentiate w.r.t.x the function (5x)^( 3 cos 2x)

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  5. Differentiate w.r.t.x the function in Exercises 1 to 11. sin^(-1)(x ...

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  6. Differentiate w.r.t.x the function in Exercises 1 to 11. (cos^(-1)""...

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  7. Differentiate w.r.t.x the function. cot^(-1)[(sqrt(1+sin x)+sqrt(1-s...

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  8. Differentiate w.r.t.x the function. (logx)^(log x), x gt 1.

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  9. Differentiate w.r.t.x the function in Exercises 1 to 11. cos( a cos ...

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  10. Differentiate w.r.t.x the function. (sin x- cos x)^( sin x - cos x),...

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  11. Differentiate w.r.t.x the function. x^(x)+x^(a)+a^(x)+a^(a), for som...

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  12. x^(x^(2)-3)+(x-3)^(x^2)," for "x gt 3.

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  13. Find (dy)/(dx), " if "y=12 (1-cos t), x= 10(t-sin t), -(pi)/(2) lt t l...

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  14. Find (dy)/(dx)," if "y= sin^(-1)x +sin^(-1)sqrt(1-x^(2)), 0 lt x lt 1.

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  15. If xsqrt(1+y)+ysqrt(1+x)=0," for ", -1 lt x lt 1, prove that (dy)/(d...

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  16. If (x-a)^(2)+(y-b)^(2)=c^(2), for some c gt 0, prove that ([1+((dy)/...

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  17. If cos y= x cos (a+y), with cos a ne pm 1, prove that (dy)/(dx)=(cos^(...

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  18. If x=a (cos t +t sin t)" and "y= a (sin t -t cos t), find (d^(2)y)/(dx...

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  19. If f(x)= |x|^(3), show that f''(x) exists for all real x and find it.

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  20. Derivative of f(x)=x^n is nx^(n-1) for any positive integer n.

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  21. Using the fact the that sin (A+B)= sin A cos B+ cos A sin B and the di...

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