A
a
a
a
Ai
aaaaaaaaa
Aaaa aaaa
AaaaaAaaa
a
a.at aa a
Haas
ta.detfaa aa
the matrix obtained by
1st row ith column of A
denotes
cutting
l1
F
a idelAri
l
h
l
detA
fbijection
h
Aifa Asec
Anton
0
O
Exercise
det
au
da
I
da O
Au det Aa 0
Anda
is bijective
0
L
0
I
nu
Ann
det Gogh
Og age
p
matrices
day
with firstcolumns0
fo
nn
det Ri A
dett
det an Aca dis
day
a
t
ai delAi
I
I lD a.iddA.ieare CnD
th
anu
det
Sigma F
p
a debt
Ya
anamass
to
an
Ann
ai Letha a deaf
au la detAusa
A aldadelAus
detfa.at
aa
da detAi az
a Iet A
A a Az letAiraa Aa Iet A3,2
a
AsdetBu da detBr t dasdet Bi