x2-x-2 এর একটি উৎপাদক-
A (x +1)
B (x +2)
C (x-3)
D (x-1)
Correct Answer: Option A
x2-x-2
= x^2 - 2x + x - 2
= x(x-2) + 1 (x-2)
= (x-2) (x+1)
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