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The solution of the differential equatio...

The solution of the differential equation `sec^2y tan x dy+sec^2x tan y dx=0` under the condition `x=y=pi/4` is

A

`tan xtan y=c`

B

`tan x/tan y=1`

C

tan y/tan x=1`

D

`tan x tan y=1`

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CHETANA PUBLICATION-DIFFERENTIAL EQUATIONS-EXERCISE
  1. The standard substitution for solving any homogeneous differential equ...

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  2. Solution of the differential equation dy/dx+(1+cos 2y)/(1-cos 2x)=0 is...

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  3. The solution of the differential equation sec^2y tan x dy+sec^2x tan y...

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  4. The substitution for solving the differential equation dy/dx-(y+sqrt(x...

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  5. If the equation dy/dx=(x^3+3x^2y+y^n)/(xy^2) is a homogeneous differen...

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  6. If dy/dx+1/x y=x^3-3 is a linear differential equation then e^(int Pdx...

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  7. If cos^2 x dy/dx+y=tan x is a linear differential equation then e^(int...

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  8. Solve the following differential equations.dr=a(r sin theta d theta-co...

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  9. Which of the following differential equation is not a homogeneous diff...

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  10. A cistern is being emptied in such a way that the rate at which water ...

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  11. In a culture of yeast,the active ferment doubles itself in 3 hours.Ass...

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  12. The order and degree of the differential equation (d^4y/dx^4)=[1+(dy/d...

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  13. The differential equation y=c^2+c/x is

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

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  15. Form a differential equation by eliminating arbitrary constants A an B...

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  16. Form a differential equation by eliminating arbitrary constants A,B,C ...

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  17. Find the particular solution of differential equation (x-y^2x)dx-(y+x...

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  18. Solve the following differential equations.(4)(x dy/dx-y)e^(y/x)=x^2 c...

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  19. Solve the following differential equations.(13)(9x+5y)dy+(15x+11y)dx=0

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  20. Solve (x+a)dy/dx-3y=(x+a)^3

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