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Suppose R is relation whose graph is sym...

Suppose R is relation whose graph is symmetric to both X-axis and Y-axis and that the point (1,2) is on the graph of R. Which one of the following is not necessarily on the graph of R?

A

(-1,2)

B

(1,-2)

C

(-1,-2)

D

(2,1)

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The correct Answer is:
D
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