Rationalise the denominator means eliminating the SURD from the denominator. Here are a few examples showing how to do this operation. A full video lesson on working with SURDS is provided here.
Rationalise 1/√2
Rationalise 2/5√3
Rationalise (2√8) / (5√2 )
Rationalise (2) / (5-√3 )
and finally…. an exam type question
Rationalise the denominator means eliminating the SURD from the denominator. Here are a few examples showing how to do this operation. A full video lesson on working with SURDS is provided here.
Rationalise 1/√2
Rationalise 2/5√3
Rationalise (2√8) / (5√2 )
Rationalise (2) / (5-√3 )
and finally…. an exam type question
Nouri Dib