曲线y=x^2-4x+2在点(1,-3)处的切线方程是

2025-06-26 11:04:54
推荐回答(2个)
回答1:

曲线y=x^2-4x+2求导得y'=2x-4
于是在点(1,-3)处的斜率y'=2x1-4=-2
切线方程:y-(-3)=-2(x-1)
即y+2x+1=0

回答2: