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The order and degree of the differential...

The order and degree of the differential equation `sqrt(dy/dx) -(4d^2y)/dx^2 -7x =0` are a and b, then a+b is

A

3

B

4

C

5

D

6

Text Solution

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The correct Answer is:
C
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MOTION-DIFFERENTIAL EQUATION -Exercise 1
  1. The order and degree of the differential equation (1+3(dy)/(dx))^(2//3...

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  2. The order and degree of the differential equation sqrt(dy/dx) -(4d^2y)...

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  3. The degree of the differential equation ((d^(3)y)/(dx^(3)))^(2//3)+4...

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  4. The differential equation of the family of curves represented by y = a...

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  5. The differential equation whose solution is (x-h)^2+ (y-k)^2=a^2 is (a...

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  6. The differential equation representing all line at a distance p from t...

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  7. If y =e^((k+1)x) is a solution of differential equation d^2y/dx^2 -4dy...

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  8. The solution to the differential equation ylogy+x y^(prime)=0, where y...

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  9. Solve: (xdy)/(x^2+y^2)=(y/(x^2+y^2)-1)dx

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  10. The solution of the differential equation dy =sec^2x dx is -

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  11. The solution of the differential equation dy/dx = (1+x)(1+ y^2) is -

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  12. The general solution of the differential equation, y^(prime)+yvarph...

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  13. The solution of the differential equation (x^(2)+y^(2))dx = 2xy dy is

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  14. The general solution of x(dy)/(dx)=y-xtan((y)/(x)) is . . . .

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  15. x(dy)/(dx)=y(logy-logx+1)

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  16. The solution of the differential equation x^(2) (dy)/(dx)= x^(2) + ...

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  17. The solution of the equation x(dy)/(dx) +3y=x is

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  18. The solution of the differential equation (1+y^(2)) dx = (tan^(-1) ...

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  19. The solution of the differential equation (2x -10 y^3) dy/dx +y =0 is

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  20. The solution of the differential equation dy/dx +y =cosx is -

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