Question 1190783
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Gradient of AB:  *[tex \LARGE \frac{1\,-\,4}{1\,-\,(-1)}\ =\ -\frac{3}{2}]


So *[tex \LARGE -\frac{3}{2}\ =\ -3m]


*[tex \LARGE m\ =\ \frac{1}{2}]


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

From <https://www.algebra.com/cgi-bin/upload-illustration.mpl> 
I > Ø
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*[tex \LARGE \ \ \ \ \ \ \ \ \ \  
								
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