Solving parameters with decimal conjugates

Solving parameters with decimal conjugates

Secondary 2

4 marks

TGM Original Questions

If \(8.2^2-5.8^2=2.1m^2\), find the possible values of \(m\).[4]

Solution:

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Answer:\(m^2=16\Rightarrow m=4\text{ or}\hspace{0.5em}m=-4\)

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