16-4x2 এবং 6x2+24x+24 এর গ.সা.গু কত?
Solution
Correct Answer: Option D
১ম রাশি
= 16 - 4x²
= 4(4 - x²)
= 4(2 + x)(2 - x)
= 2 * 2(x + 2)(2 - x)
২য় রাশি
= 6x² + 24x + 24
= 6(x² + 4x + 4)
= 6(x + 2)²
= 2 * 3(x + 2)(x + 2)
.: গ. সা.গু = 2(x + 2)
= 16 - 4x²
= 4(4 - x²)
= 4(2 + x)(2 - x)
= 2 * 2(x + 2)(2 - x)
২য় রাশি
= 6x² + 24x + 24
= 6(x² + 4x + 4)
= 6(x + 2)²
= 2 * 3(x + 2)(x + 2)
.: গ. সা.গু = 2(x + 2)
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