假設y是x可微分函數,找出dy/dx的式子 2y-x/y^2-3=5?
回答 (2)
(2y-x)/(y^2-3)=5
2y-x=5y^2-15
2dy/dx-1=5dy/dx (2)
-8dy/dx=1
dy/dx=-1/8
Sol
(2y-x)/(y^2-3)=5
2y-x=5y^2-15
2y’-1=10yy’
(2y’-10yy’)=1
y’(2-10y)=1
y’=1/(2-10y)
收錄日期: 2021-04-18 14:06:30
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