對y求一次導(dǎo)數(shù),得y的導(dǎo)數(shù)=3x^2+1
與y=4x平行,則斜率=4
有:3x^2+1=4
解得;x=1,或x=-1
代入y=x三次方+x-2 分別得到:y=0,-4
所求p的坐標(biāo)是
(1,0),(-1,-4)
曲線y=x三次方+x-2在點(diǎn)P處的切線平行于直線y=4x則點(diǎn)p的坐標(biāo)是
曲線y=x三次方+x-2在點(diǎn)P處的切線平行于直線y=4x則點(diǎn)p的坐標(biāo)是
數(shù)學(xué)人氣:915 ℃時間:2020-05-12 07:58:57
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