Question

Find the number of integers between the following pair:
1. (9)²and (10)²

Answer 1

Answer:

18

Step-by-step explanation:

no.of integers lie between two consecutive perfect square numbers n^2 & (n+1)^2 is 2n

integers between 9^2 & 10^2 = 2(9)

=18

Answer 2

Answer:

18 numbers will be between (9)²and (10)²

Step-by-step explanation:

9*2=18 numbers

Note=if x is any positive integer, then there are 2x numbers between x² and (x+1)².