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If y^3-y=2x , prove that (d^2y)/(dx^2)=-...

If `y^3-y=2x` , prove that `(d^2y)/(dx^2)=-(24 y)/((3y^2-1)^3)` .

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RD SHARMA ENGLISH-HIGHER ORDER DERIVATIVES-All Questions
  1. If y=tan^(-1)x , find (d^2y)/(dx^2) in terms of y alone.

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  2. If x^m y^n=(x+y)^(m+n) , prove that (d^2y)/(dx^2)=0 .

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  3. If y^3-y=2x , prove that (d^2y)/(dx^2)=-(24 y)/((3y^2-1)^3) .

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  4. If e^y(x+1)=1 . Show that (d^2y)/(dx^2)=((dy)/(dx))^2

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  5. If y=x^x , find (d^2y)/(dx^2) .

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  6. If y=xlog"{"x/((a+b x))"]" , then show that x^3(d^2y)/(dx^2)=(x(dy)/(d...

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  7. If y=log{x+ sqrt( x^2+a^2 )} , prove that: (x^2+a^2)(d^2y)/(dx^2)+x(dy...

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  8. If y=sin^(-1)x , then show that (1-x^2)\ (d^2y)/(dx^2)-x(dy)/(dx)=0 .

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  9. If y=e^m\ sin^((-1)x) , prove that (1-x^2)(d^2y)/(dx^2)-x(dy)/(dx)-m^2...

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  10. If y={x+sqrt(x^2+1)}^m , show that (x^2+1)y2+x y1-m^2\ y=0

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  11. If y=(sin^(-1)x)/(sqrt(1-x^2)) , show that (1-x^2)(d^2y)/(dx^2)-3x(dy)...

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  12. If x=tan(1/alogy) , show that (1+x^2)(d^2y)/(dx^2)+(2x-a)(dy)/(dx)=0 .

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  13. If y=x^x , prove that (d^2y)/(dx^2)-1/y((dy)/(dx))^2-y/x=0

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  14. Find (d^2y)/(dx^2) , if x=a t^2,\ \ y=2a t .

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  15. If x=acos^3theta and y=asin^3theta, then find the value of (d^2y)/(...

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  16. If x=asint and y=a(cost+log tan(t/2) ) , find (d^2y)/(dx^2) .

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  17. lf x=acostheta+bsintheta, y=asintheta-bcostheta then show that y^2(d^...

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  18. If x=sint,y=sinpt, prove that (1-x^2)(d^2y)/(dx^2)-x(dy)/(dx)+p^2 y=...

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  19. If x=sintheta , y=cosptheta , prove that (1-x^2)y2-x y1+p^2y=0 , where...

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

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