Evaluate \(\begin{vmatrix}1+m&n&q\\m&1+n&q\\n&m&1+q\end{vmatrix}\).

1.	Evaluate \(\begin{vmatrix}1+m&n&q\\m&1+n&q\\n&m&1+q\end{vmatrix}\).
A.	-1(1+m+n+q)
B.	1+m+n+q
C.	1+2q
D.	1+q
Answer» B.

Discussion

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