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potens likning
Posted: 24/08-2016 16:34
by Guest
Hei hvordan løser jeg denne 4.0=5.0 - 3.0 * 0.90^x
Re: potens likning
Posted: 24/08-2016 18:36
by zell
[tex]3\cdot 0.9^x = 1 \ \Rightarrow \ 0.9^x = \frac{1}{3} \ \Rightarrow \ x\ln{(0.9)} = -\ln{(3)}[/tex]