Equation of Tangent in Point Form
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Q.
If the point of contact of the circle x2+y2−30x+6y+109=0 with the tangent 11x - 2y - 46 = 0 is (a, b), find a + b
Q.
If the point of contact of the circle x2+y2−30x+6y+109=0 with the tangent 11x - 2y - 46 = 0 is (a, b), find a + b
Q. The locus of a point from which the lengths of the tangents to the circle x2+y2=4 and 2(x2+y2)−10x+3y−2=0 are equal to
- a circle
- an ellipse
- a straight line perpendicular to the line joining the circles
- a straight line included by π4 with the line joining the centres of the circle