Question

помогите 1/11 х^2 = 9 1/11

Answer 1

$frac{1}{11}x^2=9 frac{1}{11}$
$x^2=9 frac{1}{11}: frac{1}{11}$
$x^2= frac{100}{11}: frac{1}{11}$
$x^2= frac{100}{11}* frac{11}{1}$
$x^2=100$
$/x/= sqrt{100}$
$x=-10$
$x=10$
$Otvet:-10;10.$