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Positive reciprocal identities
Secondary 2
TGM Original Questions
Expand \((p+\frac2p)^2\), where \(p\ne0\).
If \(p^2+\frac4{p^2}=77\) and \(p>0\), find
\(p+\frac2p\), and
\((3p-\frac6p)^2\).
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Answer:
(a) \(p^2+4+\frac4{p^2}\); (b)(i) \(9\); (ii) \(657\).
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