- #1

babby

- 3

- 0

1. Why does equating coefficients work? I don't understand the idea behind it.

2. When you are decomposing fractions into constants

EX:

1/(x-1)(x-2)^2 = A/(x-1) + B/(x-2) + C/(x-2)^2

Why do you have to repeat (x-2), instead of just putting B/(x-2)^2?

Thanks.