4
Question:
If $x$ is a positive integer such that $1^x + 2^x + 5^x = 642$, what is the value of $x$?
Answer:
Let's think step by step.

user
4
If $x$ is a positive integer such that $1^x + 2^x + 5^x = 642$, what is the value of $x$?
train