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Which expression is equivalent to

Which expression is equivalent to-example-1
User Ifredom
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1 Answer

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For this case we must indicate an expression equivalent to:


x ^ {- \frac {5} {3}}

By definition of power properties we have to:


a ^ {- 1} = \frac {1} {a ^ 1} = \frac {1} {a}

Then, we can rewrite the expression as:


\frac {1} {x ^ {\frac {5} {3}}}

We also have that by definition of properties of powers it is fulfilled that:


\sqrt [n] {a ^ m} = a ^ {\frac {m} {n}}

Then, the expression is like:


\frac {1} {\sqrt [3] {x ^ 5}}

ANswer:

Option B

User Jake Long
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