Level:
Project ID:
9000019908
Accepted:
1
Clonable:
0
Easy:
0
The augmented matrix of a system of three equations with
three unknowns is row equivalent with the following matrix
\(A'\). Find
the solution of the system.
\[
A' = \left(\begin{array}{ccc|c}
-1 & 0 & 1 &-1\\
0 & 7 & 2 & -1\\
0 & 0 & 30 & 6
\end{array}\right)
\]
\(\left [\frac{6}
{5};-\frac{1}
{5}; \frac{1}
{5}\right ]_{}\)
\(\left [\frac{1}
{5};-\frac{1}
{5}; \frac{6}
{5}\right ]\)
\(\left [\frac{1}
{5};-\frac{6}
{5};-\frac{1}
{5}\right ]\)
\(\left [-\frac{6}
{5}; \frac{1}
{5}; \frac{1}
{5}\right ]\)