Question

20 seconds )
The complementary function of
(D - D' - 1)(D-D'- 2)= e-2x+y
is​

Answer 1

Answer:

Auxillary equation of above differential equation is (D

2

+1)y=0.

⇒

dx

2

d

2

y

+y=0

⇒y=Acosx+Bsinx