[微積] tangent line
Draw a diagram to show that there are two tangent lines to the parabola y=x平方
that pass through the point (0,-4).Find the coordinates of the points where
these tangent lines intersect the parabola.
我只找到斜率設一個直線方程式就不知道幹嘛了~哭哭
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11/13 18:47, , 1F
11/13 18:47, 1F
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11/13 18:48, , 2F
11/13 18:48, 2F
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11/14 16:17, , 3F
11/14 16:17, 3F