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Write a form of 1 that you can use to rationalize the denominator of the expression  $\frac{8}{\sqrt[3]{4}}$83√4​​ . Rationalizing factor:

Question

Write a form of 1 that you can use to rationalize the denominator of the expression 843 \frac{8}{\sqrt[3]{4}} .

Rationalizing factor:

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Solution

To rationalize the denominator of the expression 843\frac{8}{\sqrt[3]{4}}, we need to multiply both the numerator and the denominator by a form of 1 that will eliminate the cube root in the denominator.

The cube root of 4 is 2^(2/3), so we need to multiply by 2^(1/3) to get a whole number in the denominator.

The rationalizing factor is therefore 2^(1/3)/2^(1/3), which is just a fancy form of 1.

So, we multiply the original expression by this factor:

843\frac{8}{\sqrt[3]{4}} * 21/321/3\frac{2^{1/3}}{2^{1/3}} = 821/32\frac{8*2^{1/3}}{2}

This simplifies to 821/32\frac{8*2^{1/3}}{2} = 421/34*2^{1/3}

So, the rationalized form of the expression is 421/34*2^{1/3}.

This problem has been solved

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