1<math xmlns='http://www.w3c.org/mathml' version='2.0'> 2 <apply> <eq/> 3 <apply> <diff/> 4 <bvar> <ci> x </ci> </bvar> 5 <apply> <plus/> 6 <ci> u </ci> 7 <ci> v </ci> 8 <ci> w </ci> 9 </apply> 10 </apply> 11 <apply> <plus/> 12 <apply> <diff/> 13 <bvar> <ci> x </ci> </bvar> 14 <ci> u </ci> 15 </apply> 16 <apply> <diff/> 17 <bvar> <ci> x </ci> </bvar> 18 <ci> v </ci> 19 </apply> 20 <apply> <diff/> 21 <bvar> <ci> x </ci> </bvar> 22 <ci> w </ci> 23 </apply> 24 </apply> 25 </apply> 26</math> |