Q1Single correct3 Marks26 Nov 2017If a and b are integers of opposite signs such that (a+3)2:b2=9:1(a + 3)^2 : b^2 = 9 : 1(a+3)2:b2=9:1 and (a−1)2:(b−1)2=4:1(a - 1)^2 : (b - 1)^2 = 4 : 1(a−1)2:(b−1)2=4:1, then the ratio a : b isA9:4B81:4C1: 4D25: 4
