C. 4 और -4 / 4 and -4
ExplanationStep 1: x² - 16 is difference of squares. Step 2: (x-4)(x+4)=0 so roots are 4 and -4. Step 3: Write a²-b² as (a-b)(a+b).
Step 1: x² - 16 difference of squares है। Step 2: (x-4)(x+4)=0 इसलिए roots 4 और -4 हैं। Step 3: a²-b² को (a-b)(a+b) लिखें।
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