Evaluate ( begin{vmatrix}1&1&-2 3&4&5 -1&2&1 end{vmatrix} ).

1.	Evaluate ( begin{vmatrix}1&1&-2 3&4&5 -1&2&1 end{vmatrix} ).
A.	-6
B.	-34
C.	34
D.	22
Answer» C. 34

Discussion

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