Question

Complementary function of (DA2+2D+1)y=e^x

Answer 1

Answer:

Correct option is

B

Acosx+Bsinx

Auxillary equation of above differential equation is (D

2

+1)y=0.

⇒

dx

2

d

2

y

+y=0

⇒y=Acosx+Bsinx