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Recent questions tagged fundamental concepts of three dimensional geometry
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1
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Find the direction ratios and direction cosines of the line joining the points (–4, 1, 7), (2, –3, 2).
asked
Mar 9, 2019
in
JEE
by
kratos
directions ratios
jee
straight line in space
direction cosines
jee mains
class-12
fundamental concepts of three dimensional geometry
three dimensional geometry
+1
vote
1
answer
Show that the line joining the points (2, 3, –4), (–3, 3, –2) is not perpendicular to the line joining the points (–1, 4, 2), (3, 5, 1).
asked
Jan 17, 2019
in
Class 12
by
kratos
three dimensional geometry
straight line in space
direction cosines
class-12
fundamental concepts of three dimensional geometry
directions ratios
+1
vote
1
answer
Write the direction-cosines of the line joining the points (1, 0, 0) and (0, 1, 1).
asked
Nov 22, 2018
in
JEE
by
kratos
cbse
jee
jee mains
class-12
fundamental concepts of three dimensional geometry
three dimensional geometry
+1
vote
1
answer
Show that the line joining the points (4,7,8), (2,3,4) is parallel to the line joining the points (2,4,10), (-2,-4,2).
asked
Sep 2, 2018
in
Class 12
by
kratos
straight line
class-11
class-10
coordinate geometry
class-12
fundamental concepts of three dimensional geometry
+1
vote
1
answer
Let a, b, c be the direction ratios of a line then direction cosines are :
asked
Jul 1, 2018
in
Class 12
by
kratos
three dimensional geometry
direction cosines
fundamental concepts of three dimensional geometry
class-12
straight line in space
directions ratios
+1
vote
1
answer
If a line has direction ratios 2, –1, –2, then what are its direction cosines?
asked
May 28, 2018
in
Class 12
by
kratos
three dimensional geometry
direction cosines
fundamental concepts of three dimensional geometry
class-12
straight line in space
directions ratios
+2
votes
1
answer
If a line has direction ratios 2, -1, -2 then determine its direction cosines.
asked
Feb 27, 2018
in
Class 12
by
kratos
three dimensional geometry
direction cosines
fundamental concepts of three dimensional geometry
class-12
straight line in space
directions ratios
+2
votes
1
answer
The direction ratios of a straight line are (1,3,5). Its direction cosines are :
asked
Jan 3, 2018
in
Class 12
by
kratos
three dimensional geometry
direction cosines
fundamental concepts of three dimensional geometry
class-12
straight line in space
directions ratios
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