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Byju's Answer
Standard VII
Mathematics
One Dimensional Object
If p vector +...
Question
If p vector + Q vector = Pvector - Q vector, then -- a) P vector = zero vector b) Q vector = zero vector c) magnitude of P =1 d) magnitude of Q=1
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Q.
If P vector = 2i+4j+14k and Q vector =4i+4j+10k find the magnitude of Pvector +Q vector.
Q.
If
p
,
q
,
r
are three mutually perpendicular vectors of the same magnitude and if a vector
x
satisfies the equation
p
×
(
(
x
−
q
)
×
p
)
+
q
×
(
(
x
−
r
)
×
q
)
+
r
×
(
(
x
−
p
)
×
r
)
=
0
,
then vector the
x
is
Q.
If
→
p
=
^
i
+
^
j
+
^
k
and
→
q
=
^
i
−
2
^
j
+
^
k
, find a vector of magnitude
5
√
3
units perpendicular to the vector
→
q
and coplanar with vectors
→
p
and
→
q
.
Q.
The magnitude of vector product of two vectors
¯
¯¯
¯
P
×
¯
¯¯
¯
Q
may be:
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