true or false...the smallest natural number which is a perfect square and which ends in 3 identical digits lies between 2000 and 3000.
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Let the identical number = x
s² = 2000 + 100x +10x +x
s² = 2000 + 111x
The satisfying value of x = 111
So the smallest natural number with 3 identical digits is
212111
s² = 2000 + 100x +10x +x
s² = 2000 + 111x
The satisfying value of x = 111
So the smallest natural number with 3 identical digits is
212111
mahesh82:
thank you
Welome , sir
212111 is not perfect square
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