Find the points of intersection of the circle.
(a) x2 + y2 = 9 and the line x + 2y = 3.
(b) x2 + y2 – 6x – 2y + 5 = 0 and the line x – y + 1= 0.
(c) x2 + y2 + 4x + 6y – 12 = 0 and the line x + 4y – 6 = 0
Also find the length of the chord.
