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- Thread starter Manni
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- #1

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- #2

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[tex]P=(x,x^2)[/tex]

Now, can you find the coordinates of the point Q??

- #3

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- #4

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- Find the midpoint M between 0 en P.

- Find the equation of the line L going through 0 and P

- Find a vector perpendicular to the line L

- Construct the equation of the line R going through M and perpendicular through L

- Find Q as the intersection between R and the y-axis.

All of these questions involve nothing more than 10th grade geometry. So you should be able to complete these easily.

- #5

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How do I show algebraically that Q approaches infinity as P approaches the origin?

- #6

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How do I show algebraically that Q approaches infinity as P approaches the origin?

It doesn't approach infinity.

Did you find the expression for Q?

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