Easy
1 point
ID: #26820
Question
x^3 - 1, x^3 + 1, x^4 + x^2 + 1 এর ল. সা. গু কত?
Options
1
(x-4)
Correct Answer
2
x^6 - 1
Correct Answer
3
(x-2)
Correct Answer
4
(x-3)
Correct Answer
Explanation
১ম রাশি: (x-1)(x^2+x+1), ২য় রাশি: (x+1)(x^2-x+1), ৩য় রাশি: (x^2+1)^2 - x^2 = (x^2+x+1)(x^2-x+1)। ল.সা.গু = (x-1)(x+1)(x^2+x+1)(x^2-x+1) = (x^3-1)(x^3+1) = x^6 - 1।
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Type
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