Question

Set 2.1 Q2) Use the arrow technique to evaluate the determinant. 1- $\begin{vmatrix} -1 & 1 & 2 \ 3 & 0 & -5 \ 1 & 7 & 2 \end{vmatrix}$ 2- $\begin{vmatrix} -2 & 1 & 4 \ 3 & 5 & -7 \ 1 & 6 & 2 \end{vmatrix}$ Q3) Evaluate the determinant in Q2 part 1, by a cofactor expansion along (a) the first row. (c) the second row. (e) the third row. Q4) Evaluate the determinant. 1- $\begin{bmatrix} 0 & 0 & 0 & 0 \ 1 & 2 & 0 & 0 \ 0 & 4 & 3 & 0 \ 1 & 2 & 3 & 8 \end{bmatrix}$ 2- $A = \begin{bmatrix} -6 & 0 & 0 \ 0 & 3 & 0 \ 0 & 0 & 5 \end{bmatrix}$ 3- $\begin{bmatrix} -3 & 0 & 0 & 0 \ 1 & 2 & 0 & 0 \ 40 & 10 & -1 & 0 \ 100 & 200 & -23 & 3 \end{bmatrix}$ (b) the first column. (d) the second column. (f) the third column.

          Set 2.1 Q2) Use the arrow technique to evaluate the determinant.
1-
$\begin{vmatrix} -1 & 1 & 2 \ 3 & 0 & -5 \ 1 & 7 & 2 \end{vmatrix}$
2-
$\begin{vmatrix} -2 & 1 & 4 \ 3 & 5 & -7 \ 1 & 6 & 2 \end{vmatrix}$
Q3) Evaluate the determinant in Q2 part 1, by a cofactor expansion along
(a) the first row.
(c) the second row.
(e) the third row.
Q4) Evaluate the determinant.
1-
$\begin{bmatrix} 0 & 0 & 0 & 0 \ 1 & 2 & 0 & 0 \ 0 & 4 & 3 & 0 \ 1 & 2 & 3 & 8 \end{bmatrix}$
2-
$A = \begin{bmatrix} -6 & 0 & 0 \ 0 & 3 & 0 \ 0 & 0 & 5 \end{bmatrix}$
3-
$\begin{bmatrix} -3 & 0 & 0 & 0 \ 1 & 2 & 0 & 0 \ 40 & 10 & -1 & 0 \ 100 & 200 & -23 & 3 \end{bmatrix}$
(b) the first column.
(d) the second column.
(f) the third column.

Set 2.1 Q2) Use the arrow technique to evaluate the determinant.
1-
-1 1 2 3 0 -5 1 7 2
2-
-2 1 4 3 5 -7 1 6 2
Q3) Evaluate the determinant in Q2 part 1, by a cofactor expansion along
(a) the first row.
(c) the second row.
(e) the third row.
Q4) Evaluate the determinant.
1-
< b m a t r i x >
2-
A =
< b m a t r i x >
3-
< b m a t r i x >
(b) the first column.
(d) the second column.
(f) the third column.

Added by Shannon G.

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