X2 - 16 কে উৎপাদকে বিশ্লেষণ করলে কোনটি পাওয়া যাবে?

A (x2 - 4) (ax2 - 4)

B (x + 4) (x - 4)

C (x + 2) (x - 2)

D (x2 + 16) (x2 - 16)

Solution

Correct Answer: Option B

x2 - 16 
= x2 - 42
= (x + 4) (x - 4)

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