engineering recuitment UPSSSC Assistant Boring Technician 2022 Mock Test Quantitative Aptitude Algebra Identities
यदि x2 – \(3\sqrt {2}x \) + 1 = 0 है, तब \( {x^3} + \left( {\frac{1}{{{x^3}}}} \right)\) का मान क्या है?
1
\(30\sqrt 2 \)
2
\(30\sqrt 6 \)
3
\(45\sqrt 2 \)
4
\(15\sqrt 6 \)