-4a2+23a+6 এর উৎপাদক কোনটি?

A (6-a)(4a+1)
B (a-6)(4a+1)
C (a-6)(4a-1)
D (6-a)(4a-1)

Correct Answer: (6-a)(4a+1)

- 4a² + 23a + 6 = - 4a² + 24a - a + 6 = - 4a (a - 6) - 1 (a - 6) = (a - 6) ( - 4a - 1) = (6 - a) (4a + 1)
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