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Mathematics 14 Online
OpenStudy (anonymous):

square root help!

OpenStudy (anonymous):

OpenStudy (anonymous):

7/2.

OpenStudy (anonymous):

The last one.

OpenStudy (anonymous):

actually it is the third one

OpenStudy (anonymous):

how

OpenStudy (anonymous):

\[\frac{\sqrt{49}}{\sqrt{2}}=\frac{7}{\sqrt{2}}=\frac{7}{\sqrt{2}}\times \frac{\sqrt{2}}{\sqrt{2}}=\frac{7\sqrt{2}}{2}\]

OpenStudy (anonymous):

thanks satellite, can you show me how to do this one pleaseeeee!

OpenStudy (anonymous):

@satellite73

OpenStudy (anonymous):

@dpaInc

OpenStudy (anonymous):

first of all \(\sqrt{12}=2\sqrt{3}\) and \(\sqrt{8}=2\sqrt{2}\) so make that replacement first

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

\[2\sqrt{3}(\sqrt{3}+2)\] \[=2\times 3+2\sqrt{2}=6+2\sqrt{2}\] for the first product try \[\sqrt{2}(2\sqrt{2}-\sqrt{6})\] and tell me what you get

OpenStudy (anonymous):

i don't know how to break that down :/

OpenStudy (anonymous):

@dpaInc

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