Eliminating an intermediate variable

Eliminating an intermediate variable

Secondary 2

3 marks

TGM Original Questions

If \(a=b+\dfrac1c\) and \(d=b+\dfrac2a\), express \(c\) in terms of \(b,d\).[3]

Solution:

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Answer:\(c=\dfrac{d-b}{b^2-bd+2}\).

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