Tangents PA and PB are drawn from a point P to the circle `x^2 + y^2-2x-2y + 1 = 0`. If the point plies on the line `lx + my + n = 0`, where `l, m, n` are constants, then find the locus of the circum-Centre of the `DeltaPAB`.

Tangents PA and PB are drawn from P(a,b) to the circle x^(2)+y^(2)=r^(2) . The equation to the circum circle of trianglePAB is

Tangents PA and PB are drawn to the circle x^2+y^2=4 ,then locus of the point P if PAB is an equilateral triangle ,is equal to

Tangents PA and PB are drawn to the circle x^2 +y^2=8 from any arbitrary point P on the line x+y =4 . The locus of mid-point of chord of contact AB is

Tangents PA and PB are drawn to the circle x^2 +y^2=8 from any arbitrary point P on the line x+y =4 . The locus of mid-point of chord of contact AB is

Tangents PA and PB are drawn to the circle x^(2)+y^(2)=4, then locus of the point P if PAB is an equilateral triangle,is equal to

From the point P(4,-4) tangents PA and PB are drawn to the circle x^(2)+y^(2)-6x+2y+5=0 whose centre is C then Length of AB

Find the locus of the mid point of the chord of contact of x ^(2) + y ^(2) = a^(2) from the points lying on the line lx + my + n=0

Tangents PA and PB are drawn to the circle x^(2)+y^(2)=8 from any arbitrary point P on the line x+y=4. The locus of mid-point of chord of contact AB is

The tangents PA and PB are drawn from any point P of the circle x^(2)+y^(2)=2a^(2) to the circle x^(2)+y^(2)=a^(2) . The chord of contact AB on extending meets again the first circle at the points A' and B'. The locus of the point of intersection of tangents at A' and B' may be given as