The integrating factor of d y d x - y = e ^ x is e ^ - x , then i… - Vidyadip

MCQ

The integrating factor of $\frac{d y}{d x}- y = e ^{ x }$ is $e ^{- x }$, then its solution is

✓
$y e^{-x}=x+c$
B
$y e^x=x+c$
C
$y e^x=2 x+c$
D
$y e^{-x}=2 x+c$

✓

Answer

Correct option: A.

$y e^{-x}=x+c$

(a) $y e^{-x}=x+c$

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