(1000 + 1)³ by using the identity formula is ____________.
(Topic: Algebraic Identities).
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Answer:
997002999
Step-by-step explanation:
(999)³=(1000−1)³
=(1000)³ −(1) ³ −3(1000)(1)(1000−1)_____
(∵(x−y)³=x³−y³−3xy(x−y))
=1000000000−1−3000(999)
=1000000000−1−2997000=997002999
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