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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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with?
\[r^2=\frac{ 9 }{ 2 }\]
\[r=\frac{ 3\sqrt{2} }{ 2 }\]

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how does the \[\frac{ 9 }{ 2 }\]
turn into \[\frac{ 3\sqrt{2} }{ 2 }\]
because 3 goes into 9 2 times so 2 is the square root of 3 and 9 and then the denominator stays the same
\[r^2 = \frac{9}{2}\]\[\Rightarrow r^2 = 9 \cdot \frac{1}{2}\]\[\Rightarrow r = \sqrt 9 \cdot \sqrt{\frac{1}{2}}\]\[\Rightarrow r = 3 \cdot \frac{1}{\sqrt2}= 3 \cdot \frac{\sqrt 2}{\sqrt 2 \cdot \sqrt 2} = \frac{3\sqrt 2}{2}\]
at least thats what i get out of it thats what it looks like to me
oh!!! I get it now! Thank you soo much!! I've been stuck on that forever!

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