The locus of points of intersection of the tangents to `x^(2)+y^(2)=a^(2)` at the extremeties of a chord of circle `x^(2)+y^(2)=a^(2)` which touches the circle `x^(2)+y^(2)-2ax=0` is/are :

Options

A. `(0,(a)/(2))`
B. `(0,a)`
C. `(a,0)`
D. `((a)/(2),0)`

Answer

ac