railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Simplification Surds and Indices
\(\rm \frac{\sqrt3-1}{\sqrt3+1}=a-b\sqrt3\) என்றால், பின்வருவனவனற்றுள் எது சரி?
1
a = 2, b = 1
2
a = 2, b = -1
3
a = -2, b = 1
4
a = b = 1