Reciprocal square identity

Reciprocal square identity

Secondary 2
4 marks
TGM Original Questions

Optional extension

  1. Expand \((3p-\frac2p)^2\), where \(p\ne0\).[2]
  2. Given \(3p-\frac2p=10\), find \(9p^2+\frac4{p^2}\).[2]

Solution:

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Answer:(a) \(9p^2-12+\frac4{p^2}\) (b) \(112\).

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