已知隐函数XY=e(X+Y)次方,求y'和dy,
问题描述:
已知隐函数XY=e(X+Y)次方,求y'和dy,
答
y+xy'=(1+y')e^(x+y)则y'=(y-e^(x+y))/(e^(x+y)-x),dy=(y-e^(x+y)/(e^(x+y)-x)dx
已知隐函数XY=e(X+Y)次方,求y'和dy,
y+xy'=(1+y')e^(x+y)则y'=(y-e^(x+y))/(e^(x+y)-x),dy=(y-e^(x+y)/(e^(x+y)-x)dx