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