Question

√98-3,5√8-42√2/441 ПОМОГИТЕ РЕШИТЬ

Answer 1

$sqrt{98} = sqrt{49}* sqrt{2} =7 sqrt{2}$
$sqrt{8} = sqrt{4} * sqrt{2} =2 sqrt{2}$
$sqrt{ frac{2}{441} } = sqrt{2} * sqrt{ frac{1}{441} } = frac{1}{21} sqrt{2}$
$=7 sqrt{2}-7 sqrt{2} - 2sqrt{2} =-2 sqrt{2}$

Answer 2

СПАСИБО НО КАК ПОЛУЧИЛОСЬ