What should the least number be added to 4215 to make it perfect square
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let the least no be x
then..
root of 4215+x=z where z is a positive or negative integer
......testing with 10
4215+10=4225=65^2....thys 10 is the answer
then..
root of 4215+x=z where z is a positive or negative integer
......testing with 10
4215+10=4225=65^2....thys 10 is the answer
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