Question 2
if $x = {a^n + a^{-n}}/{2}$ and $y = {a^n - a^{-n}}/{2}$, find the value of $x^2 - y^2$
Objective
Question details
- Exam body
- UNIPORT
- Subject
- Mathematics
- Year
- 2013/2014
- Question no.
- #2
- Type
- Objective
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