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> <power/> 6 <ci> u </ci> 7 <ci> n </ci> 8 </apply> 9 </apply> 10 <apply> <times/> 11 <ci> n </ci> 12 <apply> <power/> 13 <ci> u </ci> 14 <apply> <minus/> 15 <ci> n </ci> 16 <cn> 1 </cn> 17 </apply> 18 </apply> 19 <apply> <diff/> 20 <bvar> <ci> x </ci> </bvar> 21 <ci> u </ci> 22 </apply> 23 </apply> 24 </apply> 25</math> |