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The differential equation of family of c...

The differential equation of family of coaxal circles `x^(2) + y^(2) + 2lambda x + c = 0` is

A

`y(d^(2)y)/(dx^(2)) + ((dy)/(dx))^(2) = 1`

B

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

C

`((d^(2)y)/(dx^(2))) + ((dy)/(dx))^(2) + 1 = 0`

D

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

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A
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AAKASH SERIES-DIFFERENTIAL EQUATIONS-Practice Exercise
  1. Form the differential equation by eliminating the arbitrary constant f...

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  2. If the differential equation formed by eliminating a,b,c from the equa...

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  3. The differential equation of family of coaxal circles x^(2) + y^(2) + ...

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  4. The D.E. of the family of circles touching X-axis at (0,0) is (or) The...

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  5. The differential equations of hyperbolas with coordinate axis as asymp...

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  6. The differential equation of the family of hyperbolas having centres a...

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  7. The solution of (dy)/(dx) = e^(x+y)+ x^(2)e^(x^(3)+y) is

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  8. The solution of the differential equation (dy)/(dx) = (xy + y)/(yx + x...

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  9. The solution of ydx - xdy = xydx is

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  10. Solution of log ((dy)/(dx)) = 3x+4y, y(0) = 0 is

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  11. The solution of y = x(dy)/(dx) + a sqrt(1+((dy)/(dx))^(2)) is

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  12. (dy)/(dx) = xy + x + y +1 has the solution

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  13. The solution of (x^(2)-y^(2)x^(2))(dy//dx) +(y^(2)+x^(2)y^(2)) = 0 is

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  14. The solution of (x^(2)y^(3) +x^(2))dx + (y^(2)x^(3)+y^(2))dy = 0 is

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  15. Solution the differential equation (dy)/(dx) + 1 = e^(x+y) is

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  16. The solution of (dy)/(dx) = e^(2x-y) + x^(3) e^(-y) is

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  17. The solution of (dy)/(dx) = tan^(2)(x+y) is

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  18. The solution of (dy)/(dx) = cos(x+y) is

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  19. The solution of (dy)/(dx) = (4x+9y+1)^(2) is

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  20. The equation of the curve through the origin and satifying the differe...

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