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alina1380 [7]
3 years ago
11

frac{ \sqrt{40} }{ \sqrt{3} } " alt=" \frac{ \sqrt{40} }{ \sqrt{3} } " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
storchak [24]3 years ago
5 0

Answer:

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{2\sqrt{30} }{ 3 }

Step-by-step explanation:

Given

\frac{ \sqrt{40} }{ \sqrt{3} }

Required

Simplify

\frac{ \sqrt{40} }{ \sqrt{3} }

Rationalize:

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{ \sqrt{40} }{ \sqrt{3} }*\frac{ \sqrt{3} }{ \sqrt{3} }

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{ \sqrt{40*3} }{ \sqrt{3*3} }

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{ \sqrt{120} }{ \sqrt{9} }

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{ \sqrt{120} }{ 3 }

Expand the numerator

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{ \sqrt{4*30} }{ 3 }

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{ \sqrt{4}*\sqrt{30} }{ 3 }

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{ 2*\sqrt{30} }{ 3 }

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{2\sqrt{30} }{ 3 }

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