If \(x=\frac{a^{n}+a^{-n}}{2} and y=\frac{a^{n}-a^{-n}}{2} find the value of x^{2}-y^{2}\). - SchoolNGR

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If \(x=\frac{a^{n}+a^{-n}}{2} and y=\frac{a^{n}-a^{-n}}{2} find the value of ...

If \(x=\frac{a^{n}+a^{-n}}{2} and y=\frac{a^{n}-a^{-n}}{2} find the value of x^{2}-y^{2}\).

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Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

A 5
B 4
C 1
D 3
E 2

Correct Answer: Option C

Explanation:

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