# Tag Info

### Multiple proofs for the same problem

It just crossed my mind that I can offer you some option you haven't probably considered yourself. Once I experimented in my calculus course (which also involved some elements of analytic geometry and ...
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1 vote

### Multiple proofs for the same problem

At the college level, see here, here, here, here, and here. Only the first link is suitable for high school courses.
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### Geometrical approaches in algebra

Here's a well-known one: $$\sum_{n=1}^{\infty} \frac{1}{2^n} = 1$$
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