Question

hello.....

solve this question ...
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Answer 1

let x be any positive integer then it is of the form 5q+2 or 5q+3
if x=5
squaring on both sides
x2=(5q) 2
x2=25q2=5 (5q2)
=5m
where m=5q2
if x=5q+2
squaring on both sides
x2=(5q+2) 2
=5q2 + 2 (5q)(2) +(2)2
=25q2 + 20q +4
= 5(5q2 + 4q) + 4
=

continue yar
hope it helps u
bcz battery low