Write the augmented matrix for each system of equations.
9x - 4y - 5z - 9
7x + 4y - 42--1
6x - 6y +z = -5
a
9
-4 -5 9
9
7
6
7
4
-4-1
-4
4
6 -6
-5 -4
9
b.
d.
9 -4 -59
7
4
-1
9 4 5 9
0 0 -4 -1
0 0 0 -5
6
1
-6-5

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

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