Question

What is the exact value of the expression: sqrt(45)/4 sqrt(81)

Answer 1

\[\frac{ \sqrt{45} }{ 4\sqrt{81} }=\frac{ \sqrt{9*5} }{ 4(9) }=\frac{ 3\sqrt{5} }{ 36 }=\frac{ \sqrt{5} }{ 12 }\]
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Answer 2

omg thanks