For P=X(2), X(4), X(7), X(8) and related perspectors Q, center of circle in non-ETC point.
Let ABC be a triangle with P, Q are two points on Euler line of ABC. A',B',C' are inverse images of A,B,C through circle diame...
For P=X(2), X(4), X(7), X(8) and related perspectors Q, center of circle in non-ETC point.
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