- #1

- 342

- 0

So I proved that 7

^{1/3}is irrational, and I know 2

^{1/2}is irrational, but how can I show if (2

^{1/2}+ 7

^{1/3})

^{1/2}is irrational?

Hint of where to start?

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- Thread starter trap101
- Start date

- #1

- 342

- 0

So I proved that 7

Hint of where to start?

- #2

- 342

- 0

Never mind, figured it out.

- #3

- 103

- 1

Never mind, figured it out.

Can you give a summary as to how you figured it out?

I was working on it after you posted it.

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