Positive reciprocal identities

Positive reciprocal identities

Secondary 2
7 marks
TGM Original Questions

Optional extension

  1. Expand \((p+\frac2p)^2\), where \(p\ne0\).[2]
  2. If \(p^2+\frac4{p^2}=77\) and \(p>0\), find
    1. \(p+\frac2p\), and[2]
    2. \((3p-\frac6p)^2\).[3]

Solution:

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Answer:(a) \(p^2+4+\frac4{p^2}\) (b)(i) \(9\) (ii) \(657\).

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