Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Differential Equations Solution of Differential Equations
The integrating factor of the differential equation \(\frac{dy}{dx}=-\frac{3x+1}{x}y+e^{-x}\) is
1
xex
2
xe3x
3
3xe3x
4
More than one of the above
5
None of the above