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

যদি a - b = 4 এবং a3 - b3 = 88 হয়, তাহলে a2 - b2 এর মান নির্ণয় করো।

1
\(8\sqrt{6}\)
2
\(6\sqrt{6}\)
3
\(7\sqrt{2}\)
4
\(9\sqrt{6}\)
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