Correct Answer: Option C
প্রদত্ত রাশি = 4x⁴ + 1
= (2x²)² + (1)²
= (2x² + 1)² - 2 ⋅ 2x² ⋅ 1
= (2x² + 1)² - 4x²
= (2x² + 1)² - (2x)²
= (2x² + 1 + 2x) (2x² + 1 - 2x)
= (2x² + 2x + 1) (2x² - 2x + 1)
নির্ণেয় উৎপাদক: (2x² + 2x + 1)(2x² - 2x + 1)
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