Впиши ответ

Внеси множитель под знак корня:

1. \(b\sqrt{13}\) ;

2. \(x^3\sqrt{-x}\) ;

3. \((x-9)\sqrt{\dfrac{1}{18-2x}}\) .

Ответ:

1. \(\mathrlap{\sqrt{\phantom{11-22\raisebox{1.1em}{\kern{2em}}}}}{\phantom{00}}\) [ ];

2. \(\mathrlap{\sqrt{\phantom{11-22\raisebox{1.1em}{\kern{2em}}}}}{\phantom{00}}\) [ ];

3. \(\mathrlap{\sqrt{\phantom{11-22\raisebox{1.1em}{\kern{2em}}}}}{\phantom{00}}\) [ ].