1) 2/(5√3) = 2/(5*√3) = 2/(5√3)
2) (√5 + 2)/(√5 - 2)
3) 17/(3√2 + 1) = 17/(3*√2 + 1) = 17/(3√2 + 1)
4) 4/(2√5 + √3)
5) 7/(√18 + 2√2 + 1)
1) 2/(5√3) = 2/(5*√3) = 2/(5√3)
2) (√5 + 2)/(√5 - 2)
3) 17/(3√2 + 1) = 17/(3*√2 + 1) = 17/(3√2 + 1)
4) 4/(2√5 + √3)
5) 7/(√18 + 2√2 + 1)