999 square evalute using suitable identity
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here is ur answer......
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Step-by-step explanation:
- (1000-1)^2
- Use identity (a-b)^2.
- (1000)^2+(1)^2-2×1000×1.
- 1000000+1-2000.
- Sum of 1000000 and one and then difference of sum by 2000.
- Then the answer will be 998001.
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