(Tag: Visual edit) |
(Tag: Visual edit) |
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== Introduction == | == Introduction == | ||
| − | <math>{\partial^8\over\partial x_1\partial x_2}ydy/dx{dy \over dx}{\operatorname{y}\!y\over\operatorname{d}\!x}</math> | + | <math>{\partial^8\over\partial x_1\partial x_2}ydy/dx{dy \over dx}{\operatorname{y}\!y\over\operatorname{d}\!x}</math>e |
=== cddcd<ref>sdsdsdsdsdsdsdds</ref> === | === cddcd<ref>sdsdsdsdsdsdsdds</ref> === | ||
e