Lim Qi Wei's answer to Charles's Junior College 1 H2 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Lim Qi Wei
Lim Qi Wei's answer
7 answers (A Helpful Person)
1st
- Convert to rational function via partial fractions
- Substitute appropriate graph (usually by making f(x) the subject.