brianyivy brianyivy

15-07-2018
Mathematics

contestada

The difference between [tex] \sqrt[2]{72} [/tex] and [tex] \sqrt{8} [/tex] is
A) [tex] \sqrt[10]{2} [/tex]
B) [tex] \sqrt[8]{2} [/tex]
C) [tex] \sqrt[6]{2} [/tex]
D) [tex] \sqrt{2} [/tex]

Respuesta :

sqdancefan sqdancefan

15-07-2018

[tex]\sqrt{72}-\sqrt{8}=\sqrt{36\cdot 2}-\sqrt{4\cdot 2}\\\\=6\sqrt{2}-2\sqrt{2}=4\sqrt{2}[/tex]

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