SSC Supreme Court Junior Court Assistant Mock Test Series 2025 Quantitative Aptitude Algebra Identities
यदि \({\rm{a\;}} + {\rm{\;}}\frac{1}{{\rm{a}}}{\rm{\;}} = {\rm{\;}}3,\) है, तो \(\left( {{{\rm{a}}^4}{\rm{\;}} + {\rm{\;}}\frac{1}{{{{\rm{a}}^4}}}} \right)\) बराबर है:
1
77
2
81
3
47
4
27