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Using a^2 – b^2 = (a + b) (a – b), find 153^2– 147^2

Using a^2 – b^2 = (a + b) (a – b), find
 153^2– 147^2

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student

153^2–147^2
= (153 + 147)(153 - 147)
= 300 x 6
= 1800

Thanks

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