If the equation px^(2)+(2-q)xy+3y^(2)-6q...

If the equation `px^(2)+(2-q)xy+3y^(2)-6qx+30y+6q=0` represents a circle, then find the values of `p^2 +q^2`.

A

5

B

13

C

25

D

41

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The correct Answer is:

B

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