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If sqrt(1-x^2) + sqrt(1-y^2)=a(x-y), pro...

If `sqrt(1-x^2) + sqrt(1-y^2)=a(x-y)`, prove that `(dy)/(dx)= sqrt((1-y^2)/(1-x^2))`

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$$ \begin{equation} \text { Given } \sqrt{(1-x^{2})}+\sqrt{( 1-y^{2})}=a(x-y) \end{equation} $$ \begin{equation} \begin{aligned} ...
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RD SHARMA-DIFFERENTIATION-Solved Examples And Exercises
  1. Find (dy)/(dx) in each of the following: e^(x-y)=log(x/y)

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  2. Find (dy)/(dx) if, sinxy+cos(x+y)=1

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  3. If sqrt(1-x^2) + sqrt(1-y^2)=a(x-y), prove that (dy)/(dx)= sqrt((1-y^2...

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  4. If ysqrt(1-x^2)+xsqrt(1-y^2)=1 show that (dy)/(dx)=-sqrt((1-y^2)/(1-x...

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  5. If x y=1 , prove that (dy)/(dx)+y^2=0 .

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  6. If x y^2=1 , prove that 2(dy)/(dx)+y^3=0

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  7. If xsqrt(1+y)+ysqrt(1+x)=0, prove that (dy)/(dx)=-1/((x+1)^2)

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  8. If logsqrt(x^2+y^2)=tan^-1(y/x),then dy/dx is

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  9. If sec((x+y)/(x-y))=a , prove that (dy)/(dx)=y/x .

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  10. If tan^(-1)((x^2-y^2)/(x^2+y^2))=a , prove that (dy)/(dx)=x/y((1-tana)...

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  11. If x y\ log(x+y)=1, prove that (dy)/(dx)=-(y(x^2y+x+y))/(x(x y^2+x+y))...

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  12. If y=xsin(a+y) , prove that (dy)/(dx)=(s in^2(a+y))/(sin(a+y)-y\ cos\ ...

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  13. If xsin(a+y)+sinacos(a+y)=0 , prove that (dy)/(dx)=(s in^2(a+y))/(sina...

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  14. If y=xsiny , prove that (dy)/(dx)=(siny)/((1-xcosy))

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  15. If ysqrt(x^2+1)=log(sqrt(x^2+)1-x),s howt h a t(x^2+1)(dy)/(dx)+x y+1=...

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  16. If sin(x y)+y/x=x^2-y^2 , find (dy)/(dx) .

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  17. If tan(x+y)+tan(x-y)=1 , find (dy)/(dx) .

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  18. If e^x+e^y=e^(x+y) , prove that (dy)/(dx)=-(e^x(e^y-1))/(e^y(e^x-1)) o...

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  19. If cosy=xcos(a+y) , with cosa!=+-1 , prove that (dy)/(dx)=(cos^2(a+y))...

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  20. If y={(log)(cosx)sinx}{(log)(sinx)cosx}^(-1)+sin^(-1)((2x)/(1+x^2)),f...

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