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IF y=xsinx, prove that, x^2(d^2y)/(dx^2)...

IF y=xsinx, prove that, `x^2(d^2y)/(dx^2)-2xdy/dx+(2+x^2)y=0`

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IF y=(cos^-1x)^2 , prove that, (1-x^2)(d^2y)/(dx^2)-xdy/dx-2=0 . Hence, find y_2 when x=0.

If y=e^x(sinx+cosx) , then prove that, (d^2y)/(dx^2)-2dy/dx+2y=0

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CHHAYA PUBLICATION-SECOND ORDER DERIVATIVE-Short Answer type Question
  1. IF y^3=x^2+y^2, find (d^2y)/(dx^2) at y=1.

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  2. IF y=x/(x^2-x-2), find the value of y2 at x=1.

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  3. IF y=xsinx, prove that, x^2(d^2y)/(dx^2)-2xdy/dx+(2+x^2)y=0

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  4. If y=ae^(mx)+bcosmx, prove that, (d^2y)/(dx^2)+m^2y=2am^2e^(mx)

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  5. IF y=e^(-x)(cosx+sinx), show that ,y2+2y1+2y=0.

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  6. If y=e^x(sinx+cosx), then prove that, (d^2y)/(dx^2)-2dy/dx+2y=0

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  7. If y=x^3log""1/x, Prove that , xy2-2y1+3x^2=0.

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  8. If y=log(x+sqrt(x^2+a^2)), show that (a^2+x^2)y2+xy1=0

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  9. If y=[log(x+sqrt(x^2+1))]^2, show that, (1+x^2)(d^2y)/(dx^2)+xdy/dx=...

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  10. IF y=secx+tanx, show that , y2-yy1=0.

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  11. If y=3cos(logx)+4sin(logx), Prove that x^2y2+xy1+y=0

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  12. IF y=xsin(logx)+xlogx, Prove that, x^2(d^2y)/(dx^2)-xdy/dx+2y=2xlogx

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  13. IF y=x^2cosx, prove that ,x^2y2-4xy1+(x^2+6)y=0.

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  14. If cosx=ycos(a+x), prove that, (d^2y)/(dx^2)=2sinasec^2(a+x)tan(a+x)

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  15. If y=sin(logx), prove that , x^2y2+xy1+y=0.

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  16. If logy=sin^-1x, show that, (1-x^2)(d^2y)/(dx^2)=xdy/dx+y.

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  17. IF y=cos(cos x), show that, y2-y1cotx+ysin^2x=0.

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  18. If y=sin^-1x, show that, (1-x^2)y2-xy1=0.

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

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  20. IF x=(a+bt)e^(-nt), show that , (d^2x)/(dt^2)+2ndx/dt+n^2x=0.

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