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Byju's Answer
Standard VII
Mathematics
Additive Identity
if U=x:x5-6x4...
Question
if U={x:x5-6x4+11x3-6x2=0} A={x:x2-x=0} and B={x:x2+x=0} then n(AintersectionB) is equal to
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Similar questions
Q.
Universal set
U
=
{
x
:
x
5
−
6
x
4
+
11
x
3
−
6
x
2
=
0
}
,
A
=
{
x
:
x
2
−
5
x
+
6
=
0
}
and
B
=
{
x
:
x
2
−
3
x
+
2
=
0
}
. Then
(
A
∩
B
)
′
is
Q.
Universal set,
U
=
{
x
|
x
5
−
6
x
4
+
11
x
3
−
6
x
2
=
0
}
A
=
{
x
|
x
2
−
5
x
+
6
=
0
}
B
=
{
x
|
x
2
−
3
x
+
2
=
0
}
what is
(
A
∩
B
)
′
equal to
Q.
Universal set
U
=
{
x
|
x
5
−
6
x
4
+
11
x
3
−
6
x
2
=
0
}
A
=
{
x
|
x
2
−
5
x
+
6
=
0
}
B
=
{
x
|
x
2
−
3
x
+
2
=
0
}
What is
(
A
∩
B
)
′
equal to?
Q.
If
A
=
{
x
:
x
2
−
4
≤
0
,
x
∈
Z
}
and
B
=
{
y
:
y
2
−
9
≥
0
,
y
∈
Z
}
, then
n
(
A
∩
B
)
is equal to
Q.
Two sets A and B are given as
A
=
{
x
|
x
is an integer root of the equation
x
5
−
6
x
4
+
11
x
3
−
6
x
2
=
0
}
B
=
{
x
|
x
is a real root of the equation
a
x
5
+
2
a
x
3
+
2
b
x
2
+
b
=
0
,
a
,
b
∈
R
such that the given equation have
maximum number of real roots.
}
Then, which of the following is correct?
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