a) -1(1+m+n+q)
b) 1+m+n+q
c) 1+2q
d) 1+q
Evaluate \(\begin{vmatrix}1+m&n&q\\m&1+n&q\\n&m&1+q\end{vmatrix}\).
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answerhappygod
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Evaluate \(\begin{vmatrix}1+m&n&q\\m&1+n&q\\n&m&1+q\end{vmatrix}\).
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