- 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)

Solution

Correct Answer: Option D

- 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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