find the square of 17 and 203
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I don't know this ans sorry
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square of 17:-
17square
(20-3)square
Use (a-b) square=a square +b square -2ab
(20)square +(3)square -2*20*3
400+9-120
409-120
=ans:-289
Square of 203:-
203square
(200+3) square
Use (a-b) square =a square +b square -2ab
(200) square +(3)square +2 *200*3
40000+9+1200
40009+1200
=ans:-41209
Hope it's helpful to you..
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