Question 989546
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Use the midpoint formulas.  Substitute your values for *[tex \Large x_m,\,y_m,\,x_1,\,y_1] and then solve for *[tex \Large x_2] and *[tex \Large y_2], the coordinates of the other endpoint.


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x_m\ = \frac{x_1 + x_2}{2}] and


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ y_m\ = \frac{y_1 + y_2}{2}]


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it

*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \