state gov Allahabad High Court Group C Mock Test Series 2024 Quantitative Aptitude Algebra Identities
यदि a = \(\frac{\sqrt{3}+1}{\sqrt{3}−1}\) और b = \(\frac{\sqrt{3}−1}{\sqrt{3}+1}\) है, तो \(\rm\left[\frac{a^2+ab+b^2}{a^2−ab+b^2}\right]\) का मान _______ है।
1
\(\frac{13}{15}\)
2
\(\frac{15}{13}\)
3
\(\frac{7}{8}\)
4
\(\frac{8}{7}\)