B. (x + 4)² / (x + 4)²
Explanationx² + 8x + 16 = x² + 2 × x × 4 + 4² so it is (x + 4)².
x² + 8x + 16 = x² + 2 × x × 4 + 4² इसलिए यह (x + 4)² है।
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