Square matrix [ a_ ij ]_ n n will be an upper triangular matrix, … - Vidyadip

MCQ

Square matrix ${[{a_{ij}}]_{n \times n}}$ will be an upper triangular matrix, if

A
${a_{ij}} \ne 0$, for $i > j$
✓
${a_{ij}} =0 $, for $i > j$
C
${a_{ij}} = 0$, for $i < j$
D
None of these

✓

Answer

Correct option: B.

${a_{ij}} =0 $, for $i > j$

b
(b) ${[{a_{ij}}]_{n \times n}}$ square matrix is a upper triangular matrix for ${a_{ij}} = 0,i > j$.

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