railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Algebra Identities

यदि x2y - x - xy2 + y = 64 है और xy = 9 है, तो x2 + y2 का मान ज्ञात कीजिए।

1
46
2
69
3
82
4
51
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