Henoch M.

asked • 10/15/21

Help with this homework

The differential equation dy/dx = cos(x + y)/cos(x − y) may be classified as :

a. Homogeneous

b. Exact

c. Linear

d. Exact and Homogeneous

Inactive Tutor

It's homogeneous because it's of the form dy/dx = f(x,y)/d(x,y). it's not exact because it fails the test dP/dy=dQ/dx.
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10/15/21

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