(x²-1)³如何求导,急用!(x²-1)³
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(x²-1)³如何求导,急用!(x²-1)³
(x²-1)³如何求导,急用!
(x²-1)³
(x²-1)³如何求导,急用!(x²-1)³
y′=3(x²-1)².2x
=6x(x²-1)²
令u=x²-1,
先对u³求导得,3u²=3(x²-1)²
再对u求导得,2x
相乘即可