If (z + \frac{1}{Z}) = 4, then what will be the value of \frac{1}{2} (z^{2} + \frac{1}{z^{2}})?

SSC CHSL 03 Aug 2023 Shift 2 Paper

Question : 70 of 100

Marks: +1, -0

(z + \;{1}/{Z}) = 4

, then what will be the value of

\;{1}/{2} (z^{2} + \;{1}/{z^{2}})

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