image imagewidth (px) 15 746 | text stringlengths 27 460 |
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x _ { i } - x _ { i + 1 } + x _ { i + 2 } | |
\sqrt { b ^ { 2 } - 4 a c } | |
\log _ { 2 } 8 + \log _ { 3 } 9 + \log _ { 4 } 1 6 | |
\sin x - \sin y - \sin \left( x - y \right) | |
\frac { \tan \alpha - \tan \beta } { 1 + \tan \alpha \tan \beta } |