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Byju's Answer
Standard XII
Mathematics
General Solution of Trigonometric Equation
Given that ...
Question
Given that
→
A
and
→
B
are greater than one, then the magnitude of
(
→
A
×
→
B
)
can not be
A
equal to
→
A
→
B
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B
less than
→
B
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C
more than
∣
→
A
∣
∣
→
B
|
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D
equal to
→
A
/
→
B
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Solution
The correct option is
D
more than
∣
→
A
∣
∣
→
B
|
Magnitude of
A
×
B
can never exceed
→
A
→
B
as it is
A
B
s
i
n
θ
and
s
i
n
θ
is always less than
1
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0
Similar questions
Q.
ABCD is parallelogram. If
→
A
B
=
→
a
,
→
B
C
=
→
b
then show that
→
A
B
=
→
a
,
+
→
b
and
→
B
D
=
→
b
,
−
→
a
?
Q.
If
|
→
a
|
=
2
and
|
→
b
|
=
3
and
→
a
→
b
=
0
, then
(
→
a
×
(
→
a
×
(
→
a
×
(
→
a
×
→
b
)
)
)
)
is equal to
Q.
{
(
→
a
×
→
b
)
×
→
a
}
×
→
b
+
→
a
×
{
→
b
×
(
→
a
×
→
b
)
}
is equal to
Q.
When two vectors,
→
a
and
→
b
are added, the magnitude of the resultant vector is always
Q.
Prove that
(
→
a
+
→
b
)
⋅
(
→
a
+
→
b
)
=
|
→
a
|
2
+
∣
∣
→
b
∣
∣
2
if and only if
→
a
→
b
are perpendicular, given
→
a
≠
→
0
,
→
b
≠
→
0
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