What kind of matrix is A? A = \begin{pmatrix} 1 & 2 & 3 \\ 0 & 5 & 7 \\ 0 & 0 & 9 \end{pmatrix}

Question 1

What kind of matrix is A? A = \begin{pmatrix} 1 & 2 & 3 \\ 0 & 5 & 7 \\ 0 & 0 & 9 \end{pmatrix}

⎝

⎛

1

0

0

2

5

0

3

7

9

⎠

⎞

Upper Triangular

Lower Triangular

Idempotent

Nil Potent

Question 2

This is Upper Triangular matrix

What kind of matrix is A? A = \begin{pmatrix} 1 & 2 & 3 \\ 0 & 5 & 7 \\ 0 & 0 & 9 \end{pmatrix}

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