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数学
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Y=1/3X^3-M^2X求导.
为什么y'=x^2-m'2 而不是 y'=m^2-2mx+m^2
人气:499 ℃ 时间:2020-02-06 02:24:34
解答
y'是对x求导,而不是对M求导.x³的导数是3x²,(1/3)x³的导数是x²x的导数是1,M²x的导数是M²所以,答案没有错.楼上说的积分,也不对.∫[(1/3)x³ - M²x]dx=(1/12)x⁴- (1/2)M&...
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