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Integrating factor of the differential e...

Integrating factor of the differential equation cos x dy/dx + y sin x =1 is

A

sin x

B

sec x

C

tan x

D

cos x

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The correct Answer is:
B
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HIMALAYA PUBLICATION-DIFFERENTIAL EQUATIONS-QUESTION BANK
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  2. The differential equation of the family of parabola with focus at the ...

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  3. Integrating factor of the differential equation cos x dy/dx + y sin x ...

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  4. The differential equation dy/dx+Py = Qy^(n), n gt 2 can be reduced to ...

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  5. The function f (theta) = d/d theta int0^(theta) dx/(1-cos theta cosx) ...

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  6. The solution of the differential equation (1+x^(2)) dy.dx +1 + y^(2) =...

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  7. The differential equation of all parabolas whose axes are parallel to ...

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  8. The solution of the differential equation dy/dx +1 = e^(x+y) is

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  9. Which of the following functions is a solution of the differential equ...

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  10. The general solution of dy/dx + sqrt((1-y^(2))/(1-x^(2))) = 0 is

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

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  12. The integrating factor of the differential equation : (dy)/(dx)(xlo...

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  13. The solution of dy/dx + 2y tan x = sin x is

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  14. Solution of the differential equation xdy-ydx =0 represents

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  15. The solution of the differential equation (dy)/(dx)+y/x=x^2 is :

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  16. The solution of the differential equation dy/dx - tany/x = (tan y sin ...

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  17. The differential equation of family of curves x^(2)+y^(2)-2ax = 0 is

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  18. The solution of the differential equationdy/dx + (2x)/(1+x^(2)) y = 1/...

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  19. The solution of the equation dy/dx = (x+y)/(x-y) is

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  20. The solution of the differential equation (x^(2)-yx^(2)) dy/dx + y^(2)...

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