1.

How many non square are there between 20^2 and 21^2 and what are they​

Answer»

Step-by-step explanation:

The number of non-square NUMBERS between TWO square no. is equal to 2n if the given square no.s are (N)2* and (n+1)2*.

Step-by-step explanation:

here( n)= 20

and( n+1)= 21

So there are 2×20 =40 non-square numbers between (20)2* and (21)2*.



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