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+5
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avatar+961 

Express square root 84/2 square root 3 in simplest radical form.

 Jan 7, 2015

Best Answer 

 #2
avatar+97561 
+10

$$\frac{\sqrt{84}}{2}}\times\sqrt3\\\\
=\frac{\sqrt{4\times 21}}{2}\times\sqrt3\\\\
=\frac{\sqrt{4}\times \sqrt{21}}{2}\times\sqrt3\\\\
=\frac{2\times \sqrt{21}}{2}\times\sqrt3\\\\
=\sqrt{21}\times\sqrt3\\\\
=\sqrt{7}\times\sqrt3 \sqrt3\\\\
=3\sqrt{7}\\\\$$

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 Jan 8, 2015
 #1
avatar
+5

ur mther 5/neg 3 square

 Jan 7, 2015
 #2
avatar+97561 
+10
Best Answer

$$\frac{\sqrt{84}}{2}}\times\sqrt3\\\\
=\frac{\sqrt{4\times 21}}{2}\times\sqrt3\\\\
=\frac{\sqrt{4}\times \sqrt{21}}{2}\times\sqrt3\\\\
=\frac{2\times \sqrt{21}}{2}\times\sqrt3\\\\
=\sqrt{21}\times\sqrt3\\\\
=\sqrt{7}\times\sqrt3 \sqrt3\\\\
=3\sqrt{7}\\\\$$

Melody Jan 8, 2015
 #3
avatar+961 
+5

oh ok thank you 

 Jan 8, 2015

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