The equation of the paired tangents from `(x_(1),y_(1))` to the circle s=0 is

The equation of tangent at P(x_(1),y_(1)) to the circle S=0 is given by

Area of triangle formed by two tangents from (x_(1),y_(1)) to the circle S=0 and chord of contact of (x_(1),y_(1)) is,(r is radius of circle)

The equation of chord with mid-point P(x_(1),y_(1)) to the circle S=0 is

The pair of tangents from (2,1) to the circle x^(2)+y^(2)=4 is

The equation of pair of tangents to the ellipse S=0 from (x_(1),y_(1)) is

" The equation of pair of tangent to the ellipse S=0 from (x_(1),y_(1)) is

The equation of pair of tangents drawn from the point (0,1) to the circle x^(2) + y^(2) – 2x + 4y = 0 is–

Find the equation of the two tangents from the point (0,1) to the circle x^(2)+y^(2)-2x+4y=0

The length of the tangent from (1,1) to the circle 2x^(2)+2y^(2)+5x+3y+1=0 is

The equation of tangent at (x_(1);y_(1))