x4 + x2 + 1 এর একটি উৎপাদক x2 + x + 1 অপর উৎপাদকটি কত?

A x2 + x + 1

B x2 - x + 1

C x2 + 1

D x + 1

Solution

Correct Answer: Option B

X4+X2+1
=(X4+2X2+1) –X2
=(X2+1)2-X2
=(X2+1+X)(X2+1-X)

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