C. 3 और -3 / 3 and -3
ExplanationStep 1: x² - 9 is difference of squares. Step 2: (x-3)(x+3)=0 so roots are 3 and -3. Step 3: Write a²-b² as (a-b)(a+b).
Step 1: x² - 9 difference of squares है। Step 2: (x-3)(x+3)=0 इसलिए roots 3 और -3 हैं। Step 3: a²-b² को (a-b)(a+b) लिखें।
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