railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Number System Rational or Irrational Numbers
If \(\frac{3\sqrt5 - 5}{3\sqrt5 + 5}\) = a + b \(\sqrt5\), then find the value of b.
1
\(\frac{3}{2}\)
2
\(\frac{3\sqrt5}{2}\)
3
\(\frac{7}{2}\)
4
\(-\frac{3}{2}\)