Find (102)² using I Identity
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Answer:20408
Step-by-step explanation: (a+b) = a square + b square + 2 ab
(100+2) square= 100 square + 2 square+ 2(100)(2)
10000 + 4 = 10000 + 4 + 400
= 10000 + 4 + 10000+4 +400
=20408
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