[latex]\frac{1}{ \sqrt{11} } - \sqrt{2} + \frac{1}{ \sqrt{11} } + \sqrt{2} - \frac{ 2\sqrt{11} }{9} [/latex]

Question

[latex]\frac{1}{ \sqrt{11} } - \sqrt{2} + \frac{1}{ \sqrt{11} } + \sqrt{2} - \frac{ 2\sqrt{11} }{9} [/latex]

Алгебра

Гость

Ответ(ы) на вопрос:

Accepted Answer

[latex]=2* \frac{1}{ \sqrt{11} } +0* \sqrt{2}- \frac{2 \sqrt{11} }{9}= \frac{2*9-2* (\sqrt{11})^2 }{9 \sqrt{11} } = -\frac{4}{9 \sqrt{11} } =- \frac{4 \sqrt{11} }{99} [/latex]