Differential Equations Quiz

Choose the homogeneous DE

• ху’-у=хtg*у/х

• y’-у=хtg*у/х

• xу’-1=хtg*у/х

• у’+у=хtg*у/х

• there is no right answer

Choose the homogeneous DE

• (х^2+у^2)dx-xydy=0

• (х^2+у)dx-xydy=0

• (х+у^2)dx-xydy=0

• (х^2+у^2)dx-ydy=0

• there is no right answer.

Integrating factor for the next DE:

у(х+у)dx+(ху+1)dy=0

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• there is no right answer.

Integrating factor for the next DE:

(3х+6ху+3у^2)dx+(2х^2+3xy)dy=0

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• there is no right answer.

Integrating factor for the next DE:

(ху^2-у^3)dx+(1-ху^2)dy=0

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• there is no right answer.

Integrating factor for the next DE:

(у^2-2х-2)dx+2уdy=0

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• there is no right answer.

Choose DE with separable variables

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Choose homogenous first order DE

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Which of the next is linear first order DE

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Which of the next is Bernoulli DE

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