[" A circle 'C' and "x^(2)+y^(2)=1" are orthogonal and "],[" have radical axis parallel to y-axis then "],[" equation of 'C' is "]

A circle C and the circle x^2 + y^2 =1 are orthogonal and have radical axis parallel to y-axis, then C can be : (A) x^2 + y^2 + 1 = 0 (B) x^2 + y^2 + 1 = y (C) x^2 + y^2 + 1 = -x (D) x^2 + y^2 - 1 = -x

A circle C and the circle x^2 + y^2 =1 are orthogonal and have radical axis parallel to y-axis, then C can be : (A) x^2 + y^2 + 1 = 0 (B) x^2 + y^2 + 1 = y (C) x^2 + y^2 + 1 = -x (D) x^2 + y^2 - 1 = -x

Equation of line parallel to X-axis and Y-axis

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Equations of Lines Parallel to the X-axis and Y-axis

The centres of the circles are (a,c) and (b,c) and their radical axis is the y-axis . The radical of one of the circle is r . The radius of the other circle is

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Angle between 2 circles | Condition of orthogonality | Problem solving on radical axis

Find the equation of the line parallel to x-axis of and having intercept -2 on y-axis.