Hello! I need to prove that I don't seem to know how to start proving this very evident example. I started to move them around, and change bases, but got nothing useful.
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Originally Posted by sioux Hello! I need to prove that I don't seem to know how to start proving this very evident example. I started to move them around, and change bases, but got nothing useful.
Haha, was right in front of me. Thanks!
If you did not know that formula, you could use the fact that is defined as the inverse function to . That is, that and . In particular, if then . But then . From that, . That is with .
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