Lim Jing Yu's answer to Nameless 's Secondary 3 A Maths question.

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Lim Jing Yu
Lim Jing Yu's answer
7 answers (A Helpful Person)
1st
1) Simplify the question as much as you can.
i.e. break them into smaller surds to work with
2) Make x the subject of the equation
3) apply (http://mathematics.laerd.com/maths/surds-intro.php) rule 6 to rationalize the denominator.
Gluck