Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Simplification Surds and Indices
If \(\rm x = \frac{{\sqrt 5 - 2}}{{\sqrt 5 + 2}}\), then the value of x2 + x-2 is:
1
350
2
322
3
284
4
More than one of the above
5
None of the above