Rational equation and subject change

Rational equation and subject change

Secondary 2
TGM Original Questions
  1. Solve \(\frac4{p-5}-\frac{p+1}{p^2-4p-5}=\frac1{p+1}\).
  2. Express \(x\) as the subject of \(\frac{x-m}{p}+\frac{x-n}{q}=\frac{k}{pq}\).

Solution:

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Answer:(a) \(p=-4\); (b) \(x=\frac{k+qm+pn}{p+q}\).

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