Question

Find the sum: 128−−−√3+16−−√3
.

Answer 1

B. 3√144

Explanation:

Add similar elements:

128√3 + 16√3 = 144√3 = 3√144

Answer 2

`\sqrt[3]{128}` +
`\sqrt[3]{16}`

4
`\sqrt[3]{2}` +2
`\sqrt[3]{2}`

6
`\sqrt[3]{2}`

The answer is A.