
求20题答案和过程
1个回答
展开全部
(0,1)
e^y +xy = e
e^y. y' + xy' + y = 0
y' = -y/(e^y +x)
y'|(0,1) = -1/e
切线方程 (0,1)
y-1 = y'|(0,1) . x
y-1 = -(1/e)x
e^y +xy = e
e^y. y' + xy' + y = 0
y' = -y/(e^y +x)
y'|(0,1) = -1/e
切线方程 (0,1)
y-1 = y'|(0,1) . x
y-1 = -(1/e)x
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