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求函数u=x+sin(y/2)+e
yz
的全微分.
分类:
高等数学(一)(00020)
发表:2024年09月10日 02时09分25秒
作者:
admin
阅读:
(16)
求函数u=x+sin(y/2)+e
yz
的全微分.
【正确答案】:因为∂u/∂x=1,∂u/∂y=1/2cos(y/2)+ze
yz
,∂u/∂z=ye
yz
, 所以 du=dx+(1/2cos(y/2)+ze
yz
)dy+ey
yz
dz.
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