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Question 34 - Week 8 Practice | Prasnya
Q34
00:00
2 Apr 2023
Q34.
Let
A
A
A
be an
n
×
n
n\times n
n
×
n
orthogonal matrix. Choose the correct options.
A
A
A
A
is invertible.
B
det
(
A
)
=
±
1
\det(A)=\pm1
det
(
A
)
=
±
1
.
C
det
(
A
)
\det(A)
det
(
A
)
may be zero.
D
Nullity of
A
A
A
may be
1
1
1
.
Save
Check
Details
Q34
00:00
2 Apr 2023
Q34.
Let
A
A
A
be an
n
×
n
n\times n
n
×
n
orthogonal matrix. Choose the correct options.
A
A
A
A
is invertible.
B
det
(
A
)
=
±
1
\det(A)=\pm1
det
(
A
)
=
±
1
.
C
det
(
A
)
\det(A)
det
(
A
)
may be zero.
D
Nullity of
A
A
A
may be
1
1
1
.
Save
Check
Details
