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Tardigrade
Question
Mathematics
If adj B=A,|P|=|Q|=1 then adj (Q-1 B P-1)=
Q. If adj
B
=
A
,
∣
P
∣
=
∣
Q
∣
=
1
then adj
(
Q
−
1
B
P
−
1
)
=
2742
224
Matrices
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A
PQ
1%
B
Q
A
P
22%
C
P
A
Q
59%
D
P
A
−
1
Q
19%
Solution:
adj
(
Q
−
1
B
P
−
1
)
=
adj
(
P
−
1
)
adj
(
B
)
adj
(
Q
−
1
)
=
∣
P
∣
P
A
∣
Q
∣
Q
=
P
A
Q