Question

7. If the 4 points made by intersection of lines
2r - y +1 = 0, x-27+3 = 0 with the coordinate
axes are concyclic then centre of circle is
1) (7/ 4,5/4)
2) (7/ 4,-5/4)
3) (-7/4, 5/4) 4)(–7/ 4, -5/4)
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Answer 1

option 2 is correct