-4x2 + 23x + 6 এর সঠিক উৎপাদকের বিশ্লেষণ কোনটি ?

A - (x - 6)(4x - 1) 

B   - (x + 6)(4x + 1)

C - (x - 6)(4x + 1)  

D (x - 6)(4x + 1)

Solution

Correct Answer: Option C

এখানে ,
- 4x2 + 23x + 6
= - 4x2 + 24x - x + 6
= - 4x(x - 6) - 1(x - 6)
= (x - 6)(- 4x - 1)
= (x - 6){-(4x + 1)}
= -(x - 6)(4x + 1)

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