engineering recuitment HPCL Junior Executive 2025 Mock Test Quantitative Aptitude Algebra Identities
यदि \(a = \;\frac{{\sqrt {3\;} + \;\sqrt 2 }}{{\sqrt 3 \; - \;\sqrt 2 }}\) और \(b = \;\frac{{\sqrt 3 \; - \;\sqrt 2 }}{{\sqrt 3 \; + \;\sqrt 2 }}\) है, तो \(\frac{{a + b}}{{a - b}} - \;\frac{{a - b}}{{a + b}}\) का मान ज्ञात कीजिये।
1
\(\frac{1}{{\sqrt 6 }}\)
2
\(10\sqrt 6 \)
3
\(\frac{1}{{10\sqrt 6 }}\)
4
1