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y=(x-12)平方(x-3-5)求导
人气:360 ℃ 时间:2020-03-26 16:01:25
解答
∵y=(x-12)²(x-3-5)=(x-8)(x-12)²
∴y’=(x-12)²+(x-8)[2(x-12)]=(x-12)(x-12+2x-16)= (x-12)(3x-28)
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