Rationalise: 1√3 − 2√11
√3 + 2√11−41
√3 + 2√1141
√3 + 2√11−43
√3 + 2√1143
1√3 − 2√11 -----(1)
Rationalising factor = √3 + 2√11 ------(2)
Multiply and divide the equation (1) with equation (2)
1√3 − 2√11 =1√3 − 2√11×√3 + 2√11√3 + 2√11 =√3 + 2√11−41
Rationalise 1√3+√2