defence exam CRPF Constable Tradesmen & Technical 2023 Mock Test Quantitative Aptitude Algebra Identities
If \(\left( {{x^8} + \frac{1}{{{x^8}}}} \right) = 47\) , what is the value of \(\left( {{x^6} + \frac{1}{{{x^6}}}} \right)?\)
1
36
2
27
3
18
4
9