Questions
The distance between the points and is then
a
2
b
-2
c
3
d
-4
detailed solution
Correct option is A
The distance between two points Ax1,y1,z1and Bx2,y2,z2 is d=x2−x12+y2−y12+z2−z12Hence the distance between the points 5,1,7and c,−5,1 is d=c−52+36+36It implies that 9=c−52+36+3681=c−52+72c−52=9c=5±3=8,2 Therefore, c=8,2Talk to our academic expert!
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