(994) ^2 using identities
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Answer:
identity: (a-b)^2 = a^2 - 2ab +b^2
Explanation:
(994)^2 = (1000 - 6)^2
= (1000)^2 - (2×1000×6) + (6)^2
= 1000000 - 12000 + 36
= 988036
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