The Apple Method: Difference between revisions
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<math>\emph{Solution:}</math> | <math>\emph{Solution:}</math> | ||
If we set <math> | If we set https://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Red_apple.svg/40px-Red_apple.svg.png<math>=\sqrt{6+\sqrt{6+\sqrt{6+\cdots}}}</math>, we can see that https://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Red_apple.svg/40px-Red_apple.svg.png<math>^2= 6+</math>https://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Red_apple.svg/40px-Red_apple.svg.png. | ||
Solving, we get <math>\boxed{ | Solving, we get https://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Red_apple.svg/40px-Red_apple.svg.png <math>=\boxed{3}</math> | ||
Revision as of 14:38, 21 March 2020
The Apple Method is a method for solving algebra problems. An apple is used to make a clever algebraic substitution.
Examples
1. Evaluate:
If we set https://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Red_apple.svg/40px-Red_apple.svg.png
, we can see that https://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Red_apple.svg/40px-Red_apple.svg.png
https://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Red_apple.svg/40px-Red_apple.svg.png.
Solving, we get https://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Red_apple.svg/40px-Red_apple.svg.png