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The differential equation of the system ...

The differential equation of the system of circles touching the y axis at origin is

A

`x^(2) + y^(2) - 2xy "" (dy)/(dx) = 0`

B

`x^(2) + y^(2) + 2xy "" (dy)/(dx) = 0`

C

`x^(2) - y^(2) + 2xy "" (dy)/(dx) = 0`

D

`x^(2) - y^(2) - 2xy "" (dy)/(dx) = 0`

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The correct Answer is:
C
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PUNEET DOGRA-DIFFERENTIAL EQUATION -PREV YEAR QUESTIONS
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  5. What is the solution of the differential equation (dy)/(dx) = cos (y -...

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  6. What is the solution of the differential equation (dx)/(dy) = (x + y +...

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  7. If y = sin (l n x) , then which one of the following is correct ?

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  8. What is the solution of the differential equation log ((dy)/(dx)) = ax...

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  9. What is the order of the differential equation whose solution is y = a...

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  10. The equation of the curve passing through the point (-1 , -2) which sa...

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  12. What are the order and degree , respectively of the differential equat...

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  13. What is the solution of (1 + 2x) dy - (1 - 2y) dx = 0 ?

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  14. The order and degree of the differential equation y^(2) = 4a (x -a) ,...

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  15. Which one of the following differential equations has a periodic solut...

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  16. What is the solution of the differential equation x dy - y dx = 0 ?

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  17. The differential equation of minimum order by eliminating the arbitrar...

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  18. The order and degree of the differential equation. [ 1 + ((dy)/(dx))...

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  19. The solution of the differential equation (dy)/(dx) = (y phi ' (x) - y...

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  20. The general solution of (dy)/(dx) = (ax +h)/(by + k) represents a circ...

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