SOLUTION: 4^x+4^(1/x)=18

Question 388704: 4^x+4^(1/x)=18
Answer by Jk22(389) (Show Source): You can put this solution on YOUR website!
4^x+4^(1/x)=18

Suppose x is integer, then 4^x is integer, so should 4^(1/x) be, which is the case only for x=1 (not a solution), or x=2.

x=2 is a solution, hence x=1/2 too.

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