Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$| \begin{array} { l l } { 0 } & { - i } \\ { 0 } & { 1 } & { 0 } \\ { 0 } & { - 3 } & { - 6 } \end{array} | \begin{array} { l l } { 1 } & { - 10 } \\ { 1 } & { 2 } & { - 1 } \\ { 3 } & { 2 - 2 } \end{array} |$$

Answer

-1770

Solution


Simplify  \(6-111\)  to  \(-105\).
\[-105-1012-16-3-632-2\]
Simplify  \(-105-1012\)  to  \(-1117\).
\[-1117-16-3-632-2\]
Simplify  \(-1117-16\)  to  \(-1133\).
\[-1133-3-632-2\]
Simplify  \(-1133-3\)  to  \(-1136\).
\[-1136-632-2\]
Simplify  \(-1136-632\)  to  \(-1768\).
\[-1768-2\]
Simplify.
\[-1770\]
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