CircleHard
Question
Equation of a circle whose centre is origin and radius is equal to the distance between the lines x = 1and x = − 1 is
Options
A.x2 + y2 = 1
B.x2 + y2 = √2
C.x2 + y2 = 4
D.x2 + y2 = − 4
More Circle Questions
Two lines through (2, 3) from which the circle x2 + y2 = 25 intercepts chords of length 8 units have equations...If the length of tangent drawn from the point (5,3) to the circle x2 + y2 + 2x + ky + 17 = 0 is 7, then k =...What is the length of shortest path by which one can go from (-2, 0) to (2, 0) without entering the interior of circle, ...The circle x2 + y2 - 2 x - 3 k y - 2 = 0 passes through two fixed points, (k is the parameter)...If the line (x + g) cos θ + (y + f) sin θ = k touches the circle x2 + y2 + 2gx + 2fy + c = 0, then -...