2x2-5x-7 এর উৎপাদক -

A 2x+7x-1
B x-12x-7
C 2x-1x+7
D (2x-7)x+1

Correct Answer: (2x-7)x+1

2x√ - 5x - 7 = 2x√ - 7x + 2x - 7 = x(2x - 7) + 1(2x - 7) = (2x - 7)(x + 1)
Bissoy MCQ

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