Find the constant sum for an ellipse with foci F1 (3, 0), F2 (24, 0) and the point on the ellipse (9, 8). The constant sum is: _____. Enter only a number.

Question

amistre64 · Answer

$$\sqrt{(3-9)^2+(0-8)^2}+\sqrt{(24-9)^2+(0-8)^2}$$

amistre64 · Answer

you add the lengths of the segments formed by foci to point to other foci

anonymous · Answer

whats the sum?

amistre64 · Answer

it is the value of that equation that I wrote that someone would get if they could only find some way to access a computational device that can handle such terms and operations :)

amistre64 · Answer

pen and paper also work, but require an effort that is beyond measure

amistre64 · Answer

after scratching it down; I get sqrt(100) + sqrt(289)

amistre64 · Answer

which amounts to:

10+17

amistre64 · Answer

and then I get stuck ;)