Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor.
- Aenean massa.
- Cum sociis natoque
- penatibus et magnis dis
- parturient montes,
- nascetur ridiculus mus.
Donec quam felis, ultricies nec, \(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\) pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate
\( \left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right) \)
\(a={(x+1)\over2}\)
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