Question

using division algorithm to show that square of any positive integer is of form 5n or 5n+1 or 5n+4 where n is positive integer
​

Answer 1

Step-by-step explanation:

by using Euclid division Lemma is aequal to b q + r b is equal to 5 and r is equal to 0, 1, 2, 3, 4 Uttara is equal to zero then we have to find out the value of n is a positive integer