- #1
- 181
- 0
Homework Statement
2^x + 2^(4-x) > 17
2.The attempt at a solution
I factorized for 2^(-x) so I have 2^(-x) * (16 + 2^(2x)) > 17 but I don't know what to do after... could you help me ?
thanks
Let u = 2^{x} .Homework Statement
2^x + 2^(4-x) > 17
2.The attempt at a solution
I factorized for 2^(-x) so I have 2^(-x) * (16 + 2^(2x)) > 17 but I don't know what to do after... could you help me ?
thanks
What did you get when you solved for x ?Thanks I figured it out and solved correctly.
(u^2 - 17u +16)/u > 0