Question

i am stuck half way through a question which requires partial fractions, will anybody be able to help me please? x

200s = A(6s) + B(s^2 + 400)

Answer 1

6A=200
B=0
400B=0
are you sure this is right?

Answer 2

i can see your original problem

Answer 3

mean can i?

Answer 4

laplace of
2i' +4i' = 200cos(20t)

Answer 5

hope that helps x

Answer 6

why wouldn't you just write it as 6i'=200cos(20t)

Answer 7

you don't need laplace you could just use separation of variables to solve for i