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Find the derivative of cos(sqrt(x))....

Find the derivative of `cos(sqrt(x))`.

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The correct Answer is:
`(-sinsqrt(x))/(2sqrt(x))`
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ARIHANT PUBLICATION-CONTINUITY AND DIFFERENTIABILITY -CHAPTER PRACTICE (4 MARK)
  1. Find the derivative of cos(sqrt(x)).

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  2. Find (dy)/(dx), if y^(x)+x^(y)+x^(x)=a^(b)

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  3. Show that the function f(x)=|x-3|,x in R is continuous but not differe...

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  4. Differentiate x^(sin x) w.r.t x.

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  5. Examine the continuity of the function f(x)={{:((|sinx|)/(x)", "x!=...

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  6. Show that the function f(x)={{:((|x-a|)/(x-1)", "x!=a),(1", ...

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  7. Discuss the continuity of, the function f(x){:{((x)/(|x|+2x^(2))", "x!...

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  8. If the function f(x)={:{(3ax+b", if "xgt1),(11", if "x=1)...

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  9. Find all points of discontinuity of f, where f is defined by f(x)={:{(...

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  10. Find the value of k so that the function f is continuous at x=pi//2,f(...

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  11. The function f(x)={:{(x^(2)/a", if "0lexlt1),(a", if "1...

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  12. If the function f(x) defined by f(x)={((log(1+ax)-log(1-bx))/(k)", if ...

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  13. Examine the continuity of the following function f(x)={{:((x)/(2|x|)",...

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  14. Find the point of discontinuity, if any of the following function f(x)...

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  15. Find the point of discontinuity of the function f(x)={:{((sin2x)/(x)",...

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  16. If function f(x)=|x-3|+|x-4|, then show that f(x) is not differentiabl...

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  17. Differentiate tan^(-1)((sqrt(1+x^(2))-sqrt(1-x^(2)))/(sqrt(1+x^(2))+sq...

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  18. If y=x^(sinx-cosx)+(x^(2)-1)/(x^(2)+1), then find (dy)/(dx)

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  19. If y=(sinx)^(x)+sin^(-1)sqrt(x), then find (dy)/(dx).

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  20. Find (dy)/(dx), if y=(cosx)^(x)+(sinx)^(1//x).

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