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Using a^2 – b^2 = (a + b) (a – b), find 51^2– 49^2???????????????

Using a^2 – b^2 = (a + b) (a – b), find
51^2– 49^2???????????????

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student

51^2 –49^2
= (51 + 49)(51 - 49)
= 100 x 2
= 200

Thanks

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