-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)