NCERT Solutions Class 10 Maths – Real Numbers | Chapter 1 Exercise – 1.1 Question 4

NCERT Class 10 Ex 1.1

Class 10 Maths Real Numbers Exercise  1.1 Question 4

Use Euclid’s division lemma to show that the square of any positive integer is either of form 3m or 3m + 1 for some integer m.

[Hint: Let x be any positive integer then it is of the form 3q, 3q + 1 or 3q + 2. Now square each of these and show that they can be rewritten in the form 3m or 3m + 1.]

Solution :  Solution of the Class 10 Maths Real numbers exercise 1.1 question 4 is given in  below snapshot. To understand step-by-step explanation in more details then please watch our YouTube video given below.

Class 10 Maths Real Numbers Exercise  1.1 Question 4
Figure: Class 10 Maths Real Numbers Exercise  1.1 Question 4

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