Hello sir,

Please answer my two questions in differential equations.It is objective type .

1. Solution of (D2+1)y=0 is ____________________________

Answers:

(a) y=(Ax+B)e^X.

(b) y=Acosx+Bsinx.

(c) x=(Ay+B)e^y.

(d) y=Ae^x+B/e^x.

2. The complementary function of a differential equation is B+ae^-x. Then the Auxiliary equation is ___________________.

Answers.

(a)m^2+m=0.

(b)m^2-m=0.

(c)m^2+2m+1=0.

(d)m^2-2m+1=0.

Thanks a lot.

Anitha Ashok.

anitha ashok , 13 Years ago

Grade Upto college level