Differential equation problem

[fakoy]

Please help me find solution to solve:

(1+x^2)dy-adx=xydx

Thank you'

fakoy

 

[stapel]

Please help me find solution to solve:

(1+x^2)dy-adx=xydx

Hint: Separate the variables.

. . . . .(1 + x^2)dy = xydx + adx

...and so forth. Then integrate either side.