Mathematics
Undergraduate
途中式込みで教えてほしいです🙇♂️
6] チェインルールを用いて
1)z=xy, u=x+2y, v =x-yのときの
20 20
をu,vの式で表せ。
du' Ov
2)z=r-0(r>0,-5<0<エ=
<0<-),x=r cosθ,y=rsin0のときのzx,Zyをr,0の式で表せ.
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