What is the integrating factor of : y' - y = Cos x ?
Answer & explanation
Correct answer: option 2
y' - y = Cos x
Compare with : y' - yP(x) = Q(x)
Integrating factor : e\(\int_{}^{}d\)x P = e-\(\int_{}^{}d\)x = e-x
What is the integrating factor of : y' - y = Cos x ?
Correct answer: option 2
y' - y = Cos x
Compare with : y' - yP(x) = Q(x)
Integrating factor : e\(\int_{}^{}d\)x P = e-\(\int_{}^{}d\)x = e-x