x3+1 এবং x2-1 এর গ.সা.গু কত?

A X+1
B X-1
C (X+1)( X-1) (X2-X+1)
D X( X-1)

Correct Answer: X+1

x³ + 1 = (x + 1)(x² - x + 1) x² – 1 = (x + 1)(x - 1) ∴ নির্ণেয় গ.সা.গু = x + 1
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