engineering recuitment HPCL Junior Executive 2025 Mock Test Quantitative Aptitude Algebra Identities
यदि x + y = \(\frac{5}{6}\) और \(\frac{1}{x}\) + \(\frac{1}{y}\) = 7\(\frac{1}{2}\) है, तो x3 + y3 का मान ज्ञात कीजिए।
1
\(\frac{25}{72}\)
2
\(\frac{8}{27}\)
3
\(\frac{65}{216}\)
4
\(\frac{11}{72}\)