2 - chapter 5 - rational functions

Question 1

factor theorum

Answer 1

if f(b/a) = 0 the (ax-b) if a factor of f(x)

Question 2

simplifying rational expressions

Answer 2

if P(x) is a polynomial then
P(x)/ (ax+b) = Q(x) + r/ax+b

Question 3

partial fractions

Answer 3

mx + n / (x+p)(x+q) = A/x+p + B/x+q