Find the square of ( x+y).using this find the square of 97
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97^2
=> (100-3)^2
=> 100^2 + 3^2 - 2(3)(100)
=> 10000 + 9 - 600
=> 10009 - 600
=> 9409
=> (100-3)^2
=> 100^2 + 3^2 - 2(3)(100)
=> 10000 + 9 - 600
=> 10009 - 600
=> 9409
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