2×3 matrix A= [aij], aij= i- j
i+j
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Step-by-step explanation:
Answer
a
ij
=2i−j
a
ij
i=,j= a
ij
=2i−j
a
11
i=1,j=1 a
11
=2(1)−1=2−1=1
a
12
i=1,j=2
a
12
=2(1)−2=2−2=0
a
13
i=1,j=3
a
13
=2(1)−3=2−3=−1
a
21
i=2,j=1 a
21
=2(2)−1=4−1=3
a
22
i=2,j=2 a
22
=2(2)−2=4−2=2
a
23
i=2,j=3 a
23
=2(2)−3=4−3=1
⇒ Required matrix A=[
a
11
a
21
a
12
a
22
a
13
a
23
]=[
1
3
0
2
−1
1
]
hope it help you
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