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Question 42 - Week 4 Practice | Prasnya
Q42
00:00
16 Jul 2023
Q42.
V
2
=
{
A
∈
M
3
(
R
)
:
sum of the diagonal entries of
A
is
0
and sum of each row is
0
}
V_2=\{A\in M_3(\mathbb{R}):\text{sum of the diagonal entries of }A\text{ is }0\text{ and sum of each row is }0\}
V
2
=
{
A
∈
M
3
(
R
)
:
sum of the diagonal entries of
A
is
0
and sum of each row is
0
}
with usual addition and scalar multiplication of matrices. Find
dim
(
V
2
)
\dim(V_2)
dim
(
V
2
)
.
@passage
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