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blondinia [14]
2 years ago
7

If y is a positive integer, for how many different values of y is RootIndex 3 StartRoot StartFraction 144 Over y EndFraction End

Root a whole number?.
Mathematics
1 answer:
Lelechka [254]2 years ago
3 0

The value of y will be 18 or 144.

Given information:

The given expression is \sqrt[3]{\frac{144}{y} }.

It is required to find the values of y which are whole numbers.

Now, factorize 144 as,

144=2\times2\times2\times2\times3\times3\\144=2^3\times2\times3\times3

So, for the value of given expression to be a whole number, the value of y should be,

2\times3\times3=18 or 144.

For the above values of y, the given expression will be,

\sqrt[3]{\frac{144}{y} }=\sqrt[3]{\frac{144}{18} }\\=\sqrt[3]{8} =2\\\sqrt[3]{\frac{144}{y} }=\sqrt[3]{\frac{144}{144} }\\=\sqrt[3]{1} \\=1

Therefore, the value of y will be 18 or 144.

For more details, refer to the link:

brainly.com/question/17429689

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