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

যদি a - b = 5 এবং ab = 14 হয়, তাহলে a2 + b2 এর মান নির্ণয় করুন।

1
53
2
27
3
5
4
19
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