1.

Solve (dy/dx) + 2y tan x = sin x

Answer»

The given diff. eqn.

(dy/dx) + 2 y tan x = sin x

 ∴ I.F. = e2tan x = e2log sec x = elog esec^2x = sec2 x

Required soln.

y x sec2 x = sin x.sec2 x dx + c

sec x.tan x dx + c = sec x + c.



Discussion

No Comment Found

Related InterviewSolutions