Prove that the square of any positive no is of form 5q, 5q +1, 5q +4, for some integar q

Prove that the square of any positive no is of form 5q, 5q +1, 5q +4,

1.	Prove that the square of any positive no is of form 5q, 5q +1, 5q +4, for some integar q
Answer» This is ncert maths ques.exercise 1.1ques 4