2x² + x – 15 এর উৎপাদক কোনটি?
A (x + 3) (2x – 5)
B (x+3) (x-10)
C (x-3)(2x+1)
D (x+2)(2x-1)
Correct Answer: Option A
2x² + x – 15
=2x²+6x-5x-15
=2x(x-3)-5(x-3)
=(x-3)(2x-5)
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