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1. a + b = 6, ab = 4 হলে ,  a3 + b3 = কত?

  • A. 216
  • B. 216
  • C. 216
  • D. 216

Answer: Option B

Explanation:

a3+b3=a+b3-3aba+b=63-3×4×6=216-72=144

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