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Standard XII
Biology
Parts of the Eye
Some properti...
Question
Some properties of idempotent matrix and involutory matrix?
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Q.
If
P
is involutory matrix and
Q
is idempotent matrix and
P
Q
=
P
,
then
P
Q
100
+
P
100
Q
=
Q.
A square matrix
A
is said to be an idempotent matrix if
A
2
=
A
.
If
A
and
B
are idempotent matrices and
A
B
=
B
A
, then which of the following is an idempotent matrix
Q.
A square matrix
A
is said to be an idempotent matrix if
A
2
=
A
.
If
A
is a non-singular idempotent matrix, then
Q.
If
P
is an orthogonal matrix and
Q
=
P
A
P
T
and
B
=
P
T
Q
1000
P
, then
B
−
1
is, where
A
is involutory matrix,
Q.
A square matrix
A
is said to be an idempotent matrix if
A
2
=
A
.
If
A
,
B
and
A
+
B
are idempotent matrices, then
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