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Answered by
1
Answer:
Answer is 998001.
Step-by-step explanation:
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15
Answer:
= (999)^2
= (1000 - 1 )^2
= (1000)^2 + 2 x 1000 x (-1) + (-1)^2
= 1000000 - 2000 + 1
= 1000001 - 2000
= 998001
I hope you will understand this answer.........
Step-by-step explanation:
Use identities (a + b) ^2 = a^2 + 2ab + b^2
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