Question 209086
Write the expression in standard radical form: 3/√2 + 5/√2

{{{3/sqrt(2) + 5/sqrt(2)}}}

{{{(3+5)/sqrt(2)}}} =  {{{8/sqrt(2)}}} Add numerators

{{{8*sqrt(2)/(sqrt(2)*sqrt(2))}}} Rationalize denominator

{{{8*sqrt(2)/2}}} ------>  {{{4cross(8)*sqrt(2)/cross(2)}}} = {{{highlight_green(4*sqrt(2))}}}