曲线y=x^2+11在点p(1,12)处的切线与y轴交点的纵坐标是? 资源ID: 曲线y=x^2+11在点p(1,12)处的切线与y轴交点的纵坐标是? y' = 2xx = 1, y'耐改 = 2切线: y - 12 = 2(x -1), y = 2x + 10x = 0, y = 10曲线在点p处的切线与y轴交昌镇判点的纵坐标旅搭是10 y '=2xk=2*1=2y-12=2(x-1)y-12=2(0-1)y=10 ← 上一篇: 下一篇: →