railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Simplification Surds and Indices
Solve the following:\( \sqrt {7+ \sqrt {7+ \sqrt {7 + \sqrt {7 + ,...} } } }\)
1
\(\frac{{1 ± \sqrt {31} }}{2}\)
2
\(\frac{{1 ± \sqrt {28} }}{2}\)
3
\(\frac{{1 ± \sqrt {30} }}{2}\)
4
\(\frac{{1 ± \sqrt {29} }}{2}\)