Chapter 10.1, Problem 46E

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6th Edition

Daniel C. Alexander + 1 other

ISBN: 9781285195698

Textbook Problem

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Use the Distance Formula to show that the equation of the parabola with focus

To determine

**To show:**

The equation of the parabola with focus

Explanation

The focus of the parabola is

The directrix of the parabola is

Let be any point on the parabola.

We have to find the distance between the point

Formula for distance between two points

Substituting the* x* and* y* co-ordinates

On solving this,

Now, we have to find the distance between the point

Now, we have to equate both the distances

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