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Standard XII
Mathematics
Skew Symmetric Matrix
1 Consider tw...
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1 Consider two sets A=(a,b,c) B=(e,f) .if the maximum numbers of total relation from A to B ,symmetric relation from A to A and from B to B are l, m, n respectively then the value of 2l+m-n is
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Q.
Consider two sets
A
=
{
a
,
b
,
c
}
,
B
=
{
e
,
f
}
. If maximum numbers of total relations from A to B; symmetric relation from A to A and from B to B are
l
,
m
,
n
respectively, then the value of
2
l
+
m
−
n
is
Q.
If R is a relation from a finite set A having m elements of a finite set B having n elements, then the number of relations from A to B is
(a) 2
mn
(b) 2
mn
− 1
(c) 2mn
(d) m
n
Q.
If
n
(
A
)
=
2
,
n
(
B
)
=
m
and the number of relation from
A
to
B
is
64
, then the value of
m
is
Q.
If a relation from a finite set A having m elements to a finite set B having n elements, then the number of relations from A to B is
Q.
If
R
is a relation from a finite set
A
having
m
elements to a finite set
B
having
n
elements, then the number of relation from
A
to
B
is.
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