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Let R be a relation on N defined by R = ...

Let R be a relation on N defined by `R = {(x, y) : x + 2y = 8)`. Then domain of R is

A

{2,4,8}

B

{2,4,6,8}

C

{2,4,6}

D

{1,2,3,4}

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The correct Answer is:
C
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