Question

use identities to evaluate (998)^2.
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Answer 1

Answer:

996004

Step-by-step explanation:

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Answer 2

Answer:

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

So 996004 = (998)^2