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1. -4a² + 23a + 6 এর উৎপাদক কোনটি?
- A. (6 - a)(4a - 1)
- B. (6 - a)(4a - 1)
- C. (6 - a)(4a - 1)
- D. (6 - a)(4a - 1)
Answer: Option D
Explanation:
- 4a2 + 23a + 6
= - (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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