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The differential equation for the family...

The differential equation for the family of circle `x ^(2) + y ^(2) - 2ay =0` where a is an arbitary constant is :

A

`(x^2-y^2)(dy)/(dx)=2xy`

B

`2(x^2-y^2)(dy)/(dx)=xy`

C

`2(x^2-y^2)(dy)/(dx)=xy`

D

`(x^2+y^2)(dy)/(dx)=2xy`

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PRADEEP PUBLICATION-DIFFERENTIAL EQUATIONS-EXERCISE
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  7. The solution of x (dy)/(dx)+y=e^(x) is

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  8. True or false: Order of the differential equation of the family of all...

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  9. The differential equation for the family of circle x ^(2) + y ^(2) - 2...

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  11. The general solution of the differential equation (dy)/(dx)=e^((x^(2))...

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  15. The order and degree of the differential equation ((d^(3)y)/(dx^(3)))^...

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  16. Which of the following is the general solution of (d^(2)y)/(dx^(2))-2(...

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  17. Solution of the differential equation (dy)/(dx)+y/x=sinx is

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  18. Find the particular solution of : dy/dx=e^(x-y)+x^2e^-y, given that x=...

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  19. The general solution of the differential equation e^(x)dy + (ye^(x) + ...

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  20. The solution of the differential equation (dy)/(dx)+(2xy)/(1+x^(2))=1/...

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