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Mathematics
The equation of the line joining the points (-3,4,11) and (1,-2,7) is
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Q. The equation of the line joining the points $(-3,4,11)$ and $(1,-2,7)$ is
KCET
KCET 2021
Three Dimensional Geometry
A
$\frac{x+3}{2}=\frac{y-4}{3}=\frac{z-11}{4}$
33%
B
$\frac{x+3}{-2}=\frac{y-4}{3}=\frac{z-11}{2}$
44%
C
$\frac{x+3}{-2}=\frac{y+4}{3}=\frac{z+11}{4}$
16%
D
$\frac{x+3}{2}=\frac{y+4}{-3}=\frac{z+11}{2}$
7%
Solution:
$A (-3,4,11) B (1,-2,7)$ Dr's of $AB$
$( a , b , c )=1-(-3),(-2,-4) 7,-11$
$4,-6,-4$
$=-2,3,2$