IP1U5 5.4 PN4 Q1
IP1U5 5.4 PN4 Q1
It is given that \(x=\sqrt{{{z}^{2}}-{{y}^{2}}}\).
- Find the value of \(x\) when \(z=5\) and \(y=3\).
- Express \(z\) in terms of \(x\) and \(y\).
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Answer:(a) \(x=4\) (b) \(z=\pm\sqrt{x^2+y^2}\)
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