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y=x-1/x+1的导数
y=2x5-3x2+5x-4的导数
y=[2x2+3][3x-2]的导数
人气:412 ℃ 时间:2019-08-20 21:24:37
解答
1.y’=(x-1)’/(X+1)+(x-1)×[1/(x+1)]'=1/(x+1)+(x-1)×[-1/(x+1)²×(x+1)']=1/(x+1)+(x-1)×[-1/(x+1)²]=(x+1)/(x+1)²-(x-1)/(x+1)²=2/(x+1)²2.y'=2×(x5)'-3(x²)'+(5x)'=2×...
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