X4+x2+1 এর উৎপাদক কোনটি?
Solution
Correct Answer: Option C
x4 + x2 + 1
= (x2)2 + 2x2.1 + (1)2 - x2
= (x2 + 1)2 - x2
=(x2 + x + 1)(x2 - x + 1)
= (x2)2 + 2x2.1 + (1)2 - x2
= (x2 + 1)2 - x2
=(x2 + x + 1)(x2 - x + 1)
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