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若曲线y=(3/2)x²+x-1/2的某一切线与直线y=4x+3平行,则切线方程为
人气:211 ℃ 时间:2019-09-20 05:38:31
解答
y=4x+m=(3/2)x^2+x-1/2
3x^2-6x-1-2m=0
(-6)^2-4*3*(-1-2m)=0
m=-2
y=4x-2
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