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MATRICES — Maths STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceMathsMATRICES1 Mark
Question
Construct a 4 × 3 matrix whose element are:
aij = i
✓

Answer

Here,
a11 = 1, a12 = 1, a13 = 2,
a21 = 2, a22 = 2, a23 = 2
a31 = 3, a32 = 3, a33 = 3
a41 = 4, a42 = 4, a43 = 4
Using Equation (i),
$\text{A}=\begin{bmatrix}1&1&1\\2&2&2\\3&3&3\\4&4&4\end{bmatrix}$

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