x3 + 1 এবং x2 - 1 এর গ.সা.গু. কত?

A x-1

B x(x-1)

C x + 1

D (x + 1)(x-1)(x2 - x + 1)

Solution

Correct Answer: Option C

১ম রাশিঃ x³ +1=(x+1)(x² -x+1)
২য় রাশিঃ x² -1=(x+1)(x-1)

নির্ণেয় গ.সা.গু. = (x+1)

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