Question
Download Solution PDFFor a 3 × 3 matrix A = [aij], whose element aij is given by aij = \(\rm \sqrt{i^2+3j}\) then what is element a31?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
A = [aij] is 3 × 3 matrix \(\begin{bmatrix} a_{11} & a_{12} & a_{13}\\ a_{21} & a_{22} & a_{23}\\ a_{31} & a_{32} & a_{33}\\ \end{bmatrix}\)
such that aij = \(\rm \sqrt{i^2+3j}\)
Then a31 = \(\rm \sqrt{3^2+3\times1}=\sqrt{12}=2\sqrt3\)
Option (3) is true.
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