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Question Number 44807 by jasno91 last updated on 05/Oct/18

Answered by Kunal12588 last updated on 05/Oct/18

$${(a+b)}^2=a^2+2ab+b^2$$$$1.{(50+4)}^2=2500+16+400=2916$$$$2.{(80+2)}^2=6400+4+320=6734$$$$3.{(100+3)}^2=10000+9+600=10609$$$$4.{(700+4)}^2=490000+16+5600=495616$$

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