Which statement is true about the product square root of 2(5 + square root of 8)?

It is rational and equal to 7.
It is rational and equal to 9.
It is irrational and equal to 4 + square root of 10.
It is irrational and equal to 4 + 5square root of 2.

Question

Which statement is true about the product square root of 2(5 + square root of 8)?

 It is rational and equal to 7.
 It is rational and equal to 9.
 It is irrational and equal to 4 + square root of 10.
 It is irrational and equal to 4 + 5square root of 2.

elise_a18 · Answer

@sammixboo

trojanpoem · Answer

I hardly believe that It's readable rootof 2(5+ rootof(8)) as complicated as magic.

zarkon · Answer

this???
$$\sqrt{2}\cdot (5+\sqrt{8})$$

elise_a18 · Answer

mhm @zarkon