Example

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

Question

$$|\begin{matrix}1+a&1&1\\ 1&1+b&1\\ 1&1&1+c\end{matrix}|=?$$

Answer

e*d*t[[1+a,1,1],[1,1+b,1],[1,1,1+c]]

Solution


Regroup terms.
e*d*t\(\(1+a,1,1\\),\(1,1,1+c\)]
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