Mathematics
Senior High
媒介変数(t)の2回微分についてですが、
(d²y/dx²)=(dt/dx)・(d/dt)(dy/dx)と表せますが、
右辺を(d/dt)・(dt/dx)(dy/dx)と変形できないのはなぜですか？(d²y/dx²)=(dt/dx)・(d/dt)(dy/dx)という形は定義のようなものですか？
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