√24 x √80/19
\(\frac {\sqrt {24}\times \sqrt{80}}{19}\)= \( \frac{\sqrt{24\times {80}}}{19}\)= \(\frac{\sqrt{2^7\times 3 \times 5}}{19}\)
= \(\frac{2^3}{19}\times\sqrt{2\times 3\times 5}\)
= \({\color{blue}\frac{8}{19}\times\sqrt{30}}\) !
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