CircleHard
Question
The equations of the tangents drawn from the point (0, 1) to the circle x2 + y2 − 2x + 4y = 0 are-
Options
A.2x − y + 1 = 0, x + 2y − 2 = 0
B.2x − y − 1 = 0, x + 2y − 2 = 0
C.2x − y + 1 = 0, x + 2y + 2 = 0
D.2x − y − 1 = 0, x + 2y + 2 = 0
More Circle Questions
If P = (x, y), F1 = (3,0), F2 = (-3,0) and 16x2 + 25y2 = 400 then PF1 + PF2 equals...The number of tangents that can be drawn from the point (8, 6) to the circle x2 + y2 _ 100 = 0 is...A circle is drawn touching the x-axis and centre at the point which is the reflection of (a, b) in the line y - x = 0. T...A point on the line x = 3 from which tangent drawn to the circle x2 + y2 = 8 are at right angles -...The gradient of the tangent line at the point (a cos α, a sin α) to the circle x2 + y2 = a2, is-...