alexis9658
06.08.2019 •
Mathematics
you are given a positive number p, but you are not told what the specific value of p is. a vertical light beam comes from high above the plot of f[x] = x^2/(4 p) and bounces off the curve at a given point point {a, f[a]}. you are not told what the specific value of a is. calculate in terms of p the point at which the reflected beam crosses the y-axis.
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Ответ:
(x, y) = (0, p)
Step-by-step explanation:
In the given equation, p is the distance from the vertex (0, 0) to the focus of the parabola. Any vertical "light beam" will bounce off the curve and pass through the focus at (0, p).
Ответ:
The second table is the right one.