Question

Is the product of which of the following two radical numbers?

Answer 1

Explanation:

this mean answer is b

Answer 2

The third line

Explanation:

let's see all choices by solving them

1) The first one

`\sqrt[ 3]{ - 5} \sqrt[3]{3} = \sqrt[3]{ - 15} (negative \: times \: positive \: is \: negative)`

2) The second one

`\sqrt[3]{5} \sqrt[3]{ - 3} = \sqrt[3]{ - 15} (positive \: times \: negative \: is \: negative)`

3) The third one

4) The fourth one

`\sqrt[3]{ - 15} \sqrt[3]{1} = \sqrt[3]{ - 15} (any \: number \: multiply \: by \: one \: is \: it \: self`

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