Byju's Answer
Standard XII
Mathematics
Condition for Two Lines to Be Parallel
P, q, r, s ar...
Question
P, q, r, s are vector of equal magnitude. If p+q-r=0 angle between p and q is 1. If p+q-s=0 angle between p and s is 2 .the ratio of 1 and 2 is
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Similar questions
Q.
Three vectors
→
P
,
→
Q
and
→
R
are such that
|
→
P
|
=
|
→
Q
|
,
|
→
R
|
=
√
2
|
→
P
|
and
→
P
+
→
Q
+
→
R
=
0
. The angle between
→
P
and
→
Q
,
→
Q
and
→
R
, and
→
P
and
→
R
are
Q.
Three vectors
→
P
,
→
Q
and
→
R
are such that
|
→
P
|
=
|
→
Q
|
,
|
→
R
|
=
√
2
|
→
P
|
, and
→
P
+
→
Q
+
→
R
=
→
0
. The angles between
→
P
and
→
Q
,
→
Q
and
→
R
, and
→
P
and
→
R
are
Q.
If the direction ratio of two vectors are connected by the relations
p
+
q
+
r
=
0
and
p
2
+
q
2
−
r
2
=
0
, find the angle between them.
Q.
If r,s are the roots of the equation x
2
-px+q=0, then what is the equation of the curve whose roots are ([1/r] + s) and ([1/s]+r)?
Q.
If the direction ratios of two vectors are connected by the relations
p
+
q
+
r
=
0
and
p
2
+
q
2
−
r
2
=
0
, find the acute angle between them in degrees
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Condition for Two Lines to Be Parallel
Standard XII Mathematics
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