Partial Fractions (AQA A-Level Mathematics): Flashcards

$(ax + b)^2$

Factor the numerator

Common denominator

$(x+1)^2$

Multiply by the squared expression

$\frac{A}{x+2} + \frac{B}{(x+2)^2}$

Expand and equate coefficients

Equate x-terms and constant terms

Common factors to cancel

Quadratic formula