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The solution of x cos. (y)/(x) (y dx + x...

The solution of `x cos. (y)/(x) (y dx + x dy) = y sin.(y)/(x) (x dy - y dx)` is

A

`c xy Cos((2y)/(x)) = 1`

B

`c xy Cos((y)/(x)) = 1`

C

`xy Cos((y)/(x)) = c`

D

`c y Cos((y)/(x)) = 2x`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-DIFFERENTIAL EQUATIONS-Exercise - II
  1. A family of curves has the differential equation xy(dy)/(dx)=2y^(2)-x^...

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  2. An equation of the curve satisfying xdy - ydx = sqrt(x^(2) - y^(2))dx ...

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  3. The solution of x cos. (y)/(x) (y dx + x dy) = y sin.(y)/(x) (x dy - y...

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  4. The general solution of the differential equation x^2 y dx - (x^3 + y^...

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  5. The solution of the differential equation xy' = 2xe^(-y//x) + y is

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  6. The general solution of y^(2)dx+(x^(2)-xy+y^(2))dy=0 is

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  7. The solution of (dy)/(dx) = (x + y +1)/(x + y -1) is

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  8. The solution of the differential equation (dy)/(dx) = (x-2y +1)/(2x-4y...

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

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  10. The solution of (dy)/(dx) + y cot x = 4x cosec x, given that y = 0, x ...

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  11. The general solution of (y^(5)+x)(dy)/(dx) = y is

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

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

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  14. Solve the following differential equations. x(x-1)(dy)/(dx)-(x-2)y=x...

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  15. The solution of y dx - x dy + log x dx = 0 is

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  16. The solution of (1+x^(2)) (dy)/(dx) + y = e^(Tan^(-1)x) is

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  17. The solution of (1)/(x)(dy)/(dx) + y e^(x) = e^((1-x)^(e^(x))) is

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  18. Which of the following statement is correct ? Statement I if dy+2xyd...

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  19. The general solution of e^(y)((dy)/(dx)) + 2(e^(y))/(x) = Sin x is

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  20. Solution of xy - (dy)/(dx) = y^(3)e^(-x^(2)) is

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