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प्रश्न
Construct a 4 × 3 matrix whose elements are
aij = i
उत्तर
`a_(ij)=i`
Here,
`a_11=1,`
`a_12=1`
`a_13=1`
`a_21=2`
`a_22=2`
`a_23=2`
`a_31=3`
`a_31=3`
`a_33=3`
`a_41=4`
`a_42=4`
and
`a_43=4`
So, the required matrix is `[[1 1 1],[2 2 2],[3 3 3],[4 4 4]]`
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