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Using identities, evaluate. 998^2 ????????????????????

Using identities, evaluate. 
998^2 ????????????????????

Grade:12

1 Answers

Anand Kumar Pandey
askIITians Faculty 5733 Points
2 months ago
Dear Student

998^2= (1000 - 2)2
= 1000^2- 4000 + 2^2
= 1000000 - 4000 + 4
= 996004

Thanks

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