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If y=(x^4-x^2+1)/(x^2+sqrt(3)x+1) and (d...

If `y=(x^4-x^2+1)/(x^2+sqrt(3)x+1) and (dy)/(dx)=a x+b ,` then the value of a+b is (a)`cot(pi/8)` (b) `cot((5pi)/12)` (c) `tan((5pi)/12)` (d) `tan((5pi)/8)`

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  2. If sqrt(x) +sqrt(y)=4, f i n d (dx/dy) a t (y = 1).

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  3. If y=(x^4-x^2+1)/(x^2+sqrt(3)x+1) and (dy)/(dx)=a x+b , then the value...

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  4. If x y+y^2=tanx+y ,then find (dy)/(dx)

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  5. Find (dy)/(dx) for y=sin^(-1)(cosx)

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  6. If y=sqrt(x+sqrt(y+sqrt(x+sqrty+...oo))) then (dy)/(dx) equal to

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  8. If y=sqrt(sinx+sqrt(sinx+sqrt(sinx+ tooo))) ,prove that (dy)/(dx)=(cos...

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  9. The n t h derivative of x e^x vanishes when (a)x=0 (b) x=-1 (c)...

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  10. If x=a(cost+1/2logtan^2t) and y=asint then find (dy)/(dx) at t=pi/4

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  11. or,find the derivatives of tan^(-1) ((sqrt(1+x^2)-1)/x) with respect t...

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  12. If x^m y^n=(x+y)^(m+n),p rov et h a t(dy)/(dx)=y/xdot

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  13. Let g(x)=f(x)sinx ,w h e r ef(x) is a twice differentiable function on...

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  14. If x=acos^3theta,y=a sin^3theta,then find the value of (d^2y)/(dx^2) a...

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  18. Let y=x^(3)-8x+7 and x=f(t)." If "(dy)/(dt)=2 and x=3 at t = 0," then ...

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  19. If x=(2t)/(1+t^2),y=(1-t^2)/(1+t^2),then find (dy)/(dx).

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