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For the curve sqrt(x)+sqrt(y)=1 , (dy)/(...

For the curve `sqrt(x)+sqrt(y)=1` , `(dy)/(dx)` at `(1//4,\ 1//4)` is `1//2` (b) 1 (c) -1 (d) 2

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BANSAL-LIMITS AND DERIVATIVES-All Questions
  1. If ysqrt(x^2+1)=log{sqrt(x^2+1)-x} , then (x^2+1)(dy)/(dx)+x y+1 is eq...

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  2. If y=((log)(cosx)sinx)((log)(sinx)cosx)+sin^(-1)(2x)/(1+x^2) , then (d...

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  3. For the curve sqrt(x)+sqrt(y)=1 , (dy)/(dx) at (1//4,\ 1//4) is 1//2 (...

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  4. If siny+e^(-xcosy)=e , then (dy)/(dx) at (1,\ pi) is equal to.........

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  5. If y^x+x^y=a^b , then (dy)/(dx) is equal to........

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  6. If f(x)=e^xg(x), g(0)=2, g'(0)=1 , then f'(0) is equal to.......

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  7. If y=(tanx)^(cotx) , then (dy)/(dx) is equal to......

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  8. If x^p y^q = (x+y)^(p+q) find dy/dx

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  9. If y=(sinx)^(sinx)^(((sinx)dotoo)) , then (dy)/(dx) is equal to..........

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  10. If x=e^(y+e^(y)+..... oo) , x >0 , then (dy)/(dx) is equal to........

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  11. If x^y=y^x , then (dy)/(dx) is equal to......

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  12. If y=sqrt(x+sqrt(x+sqrt(x+ tooo))) , then (dy)/(dx) is equal to.....

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  13. d/(dx){(sinx)^(logx)} is equal to..........

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  14. The differential equation satisfied by the function y=sqrt(sinx+sqr...

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  15. Find the (dy)/(dx) of y=cot^(-1)((1+x)/(1-x))

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  16. Find the (dy)/(dx) of y=tan^(-1)sqrt((1-cosx)/(1+cosx))

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  17. Find the (dy)/(dx) of y=cos^(-1)sqrt((1+cosx)/2)

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  18. Find the (dy)/(dx) of y=tan^(-1)((sqrt(a)-sqrt(x))/(1+sqrt(a x)))

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  19. Find the (dy)/(dx) of y=cot^(-1)(x^2)

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  20. Find the (dy)/(dx) of y=tan^(-1)((sqrt(x)-x)/(1+x^(3//2)))

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