ClassCharts Students 00:17 Sat 17 Sep . . . VPN 59% AA ios.classcharts.com a C + 3 M Question P activeteach-... Edexcel AS... P qualification... Login page |... x ios.classcha... Weekly Prep Questions Week 2 1. Prove that the points whose coordinates satisfy the equation x2 + y2 + 2gx +2fy+ c=0 lie on a circle. State the coordinates of the centre of the circle and the length of its radius. 2. Prove that the circles x2 + y2 - 20x - 16y + 128 = 0 and 4x2 + 4y2 + 16x -24y - 29 = 0 lie entirely outside each other, and find the length of the shortest distance from a point on one circle to a point on the other