Ответ:
[tex]-\sqrt{x^{2} }[/tex]
Если х=15, то [tex]-\sqrt{(15)^{2} } = -\sqrt{15*15}= -\sqrt{225} = -15[/tex]
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Ответ:
[tex]-\sqrt{x^{2} }[/tex]
Если х=15, то [tex]-\sqrt{(15)^{2} } = -\sqrt{15*15}= -\sqrt{225} = -15[/tex]