defence exam Agniveer Army GD Mock Test Series 2025 Quantitative Aptitude Algebra Identities

যদি (a + b) = -1, এবং a2 + b2 = 25 হয় তাহলে (a - b)2 এর মান নির্ণয় করুন।

1
16
2
64
3
36
4
49
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