Mathematics, 24.11.2020 17:50 ladybugys
Which expressions are equivalent to RootIndex 3 StartRoot 128 EndRoot Superscript x? Select three correct answers.
Answers: 1
![(\sqrt[3]{128} )^x](/tpl/images/0925/9996/80576.png)
![(\sqrt[a]{m} )^b=(\sqrt{m})^{b/a}](/tpl/images/0925/9996/1b3ac.png)
![(\sqrt[3]{128} )^x=(128)^{x/3}\\\\=(64\times 2)^{x/3}\\\\=4(2)^{x/3}\ (\because\ \sqrt{64}=4) \\\\=4(\sqrt[3]{2})^x\\\\=4(2^{1/3})^x](/tpl/images/0925/9996/1a4dd.png)
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