deb9386
deb9386
06-04-2015
Mathematics
Answered
9x^2=1 please show all work
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konrad509
konrad509
06-04-2015
[tex]9x^2=1\\ x^2=\dfrac{1}{9}\\ x=-\dfrac{1}{3} \vee x=\dfrac{1}{3}[/tex]
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Аноним
Аноним
06-04-2015
[tex]9x^2 = 1 \\ \frac{9x^2}{9} = \frac{1}{9} [/tex]
[tex]x^2 = \frac{1}{9} \\ \sqrt{ \frac{1}{9} } = 1/3[/tex], [tex]- 1/3[/tex]
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