高数f(x)=(x-1)(x+1)(x+1)(x+1)求导怎么求

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高数f(x)=(x-1)(x+1)(x+1)(x+1)求导怎么求高数f(x)=(x-1)(x+1)(x+1)(x+1)求导怎么求高数f(x)=(x-1)(x+1)(x+1)(x+1)求导怎么求f(x)

高数f(x)=(x-1)(x+1)(x+1)(x+1)求导怎么求
高数f(x)=(x-1)(x+1)(x+1)(x+1)求导怎么求

高数f(x)=(x-1)(x+1)(x+1)(x+1)求导怎么求
f(x)=(x-1)(x+1)³
f'(x)=(x-1)'*(x+1)³+(x-1)[(x+1)³]'
=(x+1)³+3(x-1)(x+1)²
=(x+1)²(4x-2)

f‘(x)=4(x-1)(x+1)(x+1)

4x^3+6x^2-2

简单且实用的方法是将函数的右边化为一般形式,然后再求导
即f(x)=(x-1)(x+1)(x+1)(x+1)=(x2-1)(x2+2x+1)=x4+2x3-2x-1
则f'(x)=4x3+6x2-2

f(x)=(x²-1)(x+1)²=(x²-1)(x²+2x+1)=(x²-1)(x²+1+2x)=(x²-1)(x²+1)+2x(x²-1)=(x4-1)+2x3-2x=x4+2x3-2x-1
f'(x)=4x3+6x2-2