Choose the largest value:
To solve this problem, we need to express each nested root as a power of 2:
- For 2:
2=21/4
- For 32:
32=21/6
- For 42:
42=21/8
- For 52:
52=21/10
Now, we compare these powers:
- 21/4>21/6>21/8>21/10.
Therefore, the largest value is 2, which corresponds to choice 1.