Lim En Jie's answer to farhan sadik's Junior College 1 H2 Maths Singapore question.
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Can expand as given if you are confident but waste time and mistake prone (ie skip let A=(ax+b)^2 and just solve the whole equation).
Can don’t be A if it’s confusing can be C/D/E/F etc.
Can don’t be A if it’s confusing can be C/D/E/F etc.
Date Posted:
5 years ago
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The part 3 I can understand though.
“Given ff(x)=b^2” and
“let A=(ax+b)^2”
If still cannot understand, I’ll post the workings.