1+(dy/dx)^2=y^2怎么解

1+(dy/dx)^2=y^2怎么解
求y
popdady 1年前 已收到1个回答 举报

hantx 幼苗

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(dy/dx)=sqrt(y^2-1) which implies:dy/sqrt(y^2-1)=dx integrate both sides:integrate (1/sqrt(y^2-1))dy = x which leads to:ln|y+sqrt(y^2-1)|=x Please pay attention to the +/- after each steps.I didnt consider this issue here.

1年前

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