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If y=e^-x(Acosx+Bsinx) then y is a solut...

If `y=e^-x(Acosx+Bsinx)` then y is a solution of

A

`(d^2y)/(dx^2)+2(dy)/(dx)=0`

B

`(d^2y)/(dx^2)-2(dy)/(dx)+2y=0`

C

`(d^2y)/(dx^2)+2(dy)/(dx)+2y=0`

D

`(d^2y)/(dx^2)+2y=0`

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PRADEEP PUBLICATION-DIFFERENTIAL EQUATIONS-EXERCISE
  1. Integrating factor of the differential equation (1-x^(2))(dy)/(dx)-xy=...

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  2. Find the general solution of the differential equation: x(dy)/(dx) + ...

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  3. If y=e^-x(Acosx+Bsinx) then y is a solution of

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  4. The complete solution of the differential equation (dy)/(dx)=2x+5 is

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  5. The differential equation for y=Acosalphax+Bsinalphax where A and B ar...

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  6. Which of the following is not a homogneous function x and y?

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  7. Solution of the differential equation (dy)/x+y(dy)/y=0 is

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  8. Which of the following is a second order differential equation:

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  9. Solution of differential equation x dy-y dx=0 represents

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  10. The solution of (dy)/(dx)+y=e^(-x),y(0)=0 is

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  11. Solution of the differential equation tany sec^(2)xdx+tanxsec^(2)ydy=0...

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  12. Family Y=Ax+A^(3) of curves is represented by the differential equatio...

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  13. Integrating factor of x(dy)/(dx)-y=x^(4)-3 is

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  14. The solution of (dy)/(dx)-y=1 ,y(0)=1 is given by

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  15. The number of solutions of (dy)/(dx)=(y+1)/(x-1) when y(1)=2 is r.

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  16. Find the second order derivative of the following functions If y = a...

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  17. The order and degree of the differential equation (d^4y)/(dx^4)=y+((dy...

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  18. tan^(-1)x+tan^(-1)y=c is the general solution of the differential equa...

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  19. The differential equation y(dy)/(dx)+x=c represents

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  20. The general solution of e^(x)cosydx-e^(x)sinydy=0 is

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