Find the value of m so that the line passing through (-m,-1,2) and (0,2,4) be perpendicular to the line  through (1,m,1) and (m+1,0,2).  a. 1/3  b. 1/2  c. 1/5  d. ¼

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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Find the value of m so that the line passing through (-m,-1,2) and (0,2,4) be perpendicular to the line 
through (1,m,1) and (m+1,0,2). 
a. 1/3 
b. 1/2 
c. 1/5 
d. ¼

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