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SVETLANKA909090 [29]
3 years ago
11

Which expressions are equivalent to RootIndex 3 StartRoot 128 EndRoot Superscript x? Select three correct answers.

Mathematics
1 answer:
Virty [35]3 years ago
7 0

Answer:

(A)128^{x/3}

(D)(4(2^{1/3}))^x

Step-by-step explanation:

We want to determine which of the expression is equivalent to:

\sqrt[3]{128}^ x

By the law of indices:

\sqrt[3]{128}=128^{1/3}\\$Therefore:\\\sqrt[3]{128}^ x \\=(128^{1/3})^x\\=128^{x/3}

Similarly:

\sqrt[3]{128}^ x \\=\sqrt[3]{64*2}^ x\\=(4\sqrt[3]{2})^ x\\=(4(2^{1/3}))^x

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3 years ago
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balu736 [363]

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