for 2×3 matrix a=[aij] whose elements are given by aij=(i+j) by 2 then a is equal to
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1
Answer:
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Answered by
1
ANSWER
We have [
a
11
a
21
a
12
a
22
a
13
a
23
]
Since a
ij
={
3j
2i
}
a
11
={
3×1
2×1
}={
3
2
}=
3
2
a
12
={
3×2
2×1
}={
3
1
}=
3
1
a
13
={
3×3
2×1
}={
9
2
}=
9
2
a
21
={
3×1
2×2
}={
3
4
}={1+
3
1
}=
3
1
a
22
={
3×2
2×2
}={
3
2
}=
3
2
a
23
={
3×3
2×2
}={
9
4
}=
9
4
Hence the required matrix is
A=
⎣
⎢
⎢
⎡
3
2
3
1
3
1
3
2
9
2
9
4
⎦
⎥
⎥
⎤
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