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Byju's Answer
Standard XII
Mathematics
Angle between Two Line Segments
Find the equa...
Question
Find the equation of the line through the origin which intersect the line
x
−
3
2
=
y
−
3
1
=
z
1
at an angle of
π
2
and
x
−
3
1
=
y
−
3
2
=
z
1
at an angle of
π
2
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Solution
Let
a
,
b
,
c
be of required line
From
1
s
t
line
⇒
2
a
+
b
+
c
=
0
-------
(
1
)
From
2
n
d
line
⇒
a
+
2
b
+
c
=
0
-------
(
2
)
From
(
1
)
,
(
2
)
⇒
a
:
b
:
c
=
1
:
1
:
3
So the required line
x
1
=
y
1
=
z
3
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