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求帮解释微积分题
2个回答
展开全部
y=1-xe^y
所以:y'=1'-(xe^y)'
==> y'=0-[x'*(e^y)+x*(e^y)']
==> y'=0-[1*(e^y)+x*(e^y)*y']
==> y'=-(e^y)-x*(e^y)*y'
——因为y是x的函数!
所以:y'=1'-(xe^y)'
==> y'=0-[x'*(e^y)+x*(e^y)']
==> y'=0-[1*(e^y)+x*(e^y)*y']
==> y'=-(e^y)-x*(e^y)*y'
——因为y是x的函数!
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