Estee Chang's answer to Clarissatpy's Secondary 4 A Maths question.

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Estee Chang
Estee Chang's answer
39 answers (A Helpful Person)
1st
Clarissatpy
Clarissatpy
7 years ago
Reasons are not stated
Estee Chang
Estee Chang
7 years ago
expand and simplify first, then use quotient rule to differentiate.