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If A ={ 1, 2, 3,. . . , 10} R : A to A ...

If A ={ 1, 2, 3,. . . , 10} R : A to A ` R = { (a, b) : | a - b| ` is a multiple of 3} is an equivalence relation, then the equivalence class [1] is

A

{1,4,7}

B

{1,3,6,9}

C

{1,4,7,10}

D

{1,2,3,4}

Text Solution

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The correct Answer is:
C
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