a + b =6 , ab = 4 হলে , a3+b3= কত?

A 216
B 144
C 136
D 120

Correct Answer: 144

a3 + b3 = (a + b)3 - 3ab(a + b) = 63 - 3×4×6 = 216 - 72 = 144
Bissoy MCQ

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