Question

M3+8n+2m-1
When a=-1
B=2

Answer 1

Answer:

(1,2)},andB={1,3},then(A×B)∪(B×A) ={(1,3),(2,3),(3,1),(3,2),(1,1),(1,2),(2,1),}

Q2

If A=

⎣

⎢

⎢

⎡

0

2

3

1

1

2

−1

3

1

⎦

⎥

⎥

⎤

then

∣

∣

∣

A(AdjA)A

−1

∣

∣

∣

A=

Q3

A=

⎣

⎢

⎢

⎡

−1

5

−2

2

7

1

3

9

1

⎦

⎥

⎥

⎤

andB=

⎣

⎢

⎢

⎡

−4

1

1

1

2

3

−5

0

1

⎦

⎥

⎥

⎤

then verify that

(A+B)

′

=A

′

+B

′

Answer 2

Answer:

M3 + 8n + 2m - 1 = first word calculate Mnm ok

now 3+2+8 = 13-1 = 12 so now Mnm 12