समुच्चय \(\mathbb{Z}\) पर (aRb) तभी जब (a-b) संख्या (4) से विभाज्य हो। इस relation द्वारा कितने equivalence classes बनते हैं?

On \(\mathbb{Z}\), (aRb) if and only if (a-b) is divisible by (4). How many equivalence classes are formed by this relation?

Explanation opens after your attempt
Correct Answer

A. (4)

Step 1

Concept

The remainders (0,1,2,3) form (4) different classes. For a modulo relation, the number of classes equals the modulus.

Step 2

Why this answer is correct

The correct answer is A. (4). The remainders (0,1,2,3) form (4) different classes. For a modulo relation, the number of classes equals the modulus.

Step 3

Exam Tip

शेषफल (0,1,2,3) के अनुसार (4) अलग classes बनती हैं। Modulo relation में classes की संख्या modulus के बराबर होती है।

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समुच्चय \(\mathbb{Z}\) पर (aRb) तभी जब (a-b) संख्या (4) से विभाज्य हो। इस relation द्वारा कितने equivalence classes बनते हैं? / On \(\mathbb{Z}\), (aRb) if and only if (a-b) is divisible by (4). How many equivalence classes are formed by this relation?

Correct Answer: A. (4). Explanation: शेषफल (0,1,2,3) के अनुसार (4) अलग classes बनती हैं। Modulo relation में classes की संख्या modulus के बराबर होती है। / The remainders (0,1,2,3) form (4) different classes. For a modulo relation, the number of classes equals the modulus.

Which concept should I revise for this Mathematics MCQ?

The remainders (0,1,2,3) form (4) different classes. For a modulo relation, the number of classes equals the modulus.

What exam hint can help solve this Mathematics question?

शेषफल (0,1,2,3) के अनुसार (4) अलग classes बनती हैं। Modulo relation में classes की संख्या modulus के बराबर होती है।