Question

вычислите √13/15*√2/5*√26/3

Answer 1

$sqrt{ frac{13}{15} }* sqrt{ frac{2}{5} }*sqrt{ frac{26}{3} }= frac{ sqrt{13*2*26} }{ sqrt{15*5*3} }= \ \ = frac{ sqrt{676} }{ sqrt{225} }= frac{26}{25}$