Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Quantitative Aptitude Algebra Quadratic Equation
If x2 - 8x - 1 = 0, what is the value of \(x^2 + { \ {1} \over x^2}\)?
1
68
2
62
3
66
4
More than one of the above
5
None of the above