Give reason to show that none of the numbers 640, 81000 and 3600000 is a perfect square.
Give reason to show that none of the numbers, given below, is a perfect square.
(i) 2162 (ii) 6843
(iii) 9637 (iv) 6598
Question 2 (v)
The following number is obviously not a perfect square. Give reasons.
64000
222222