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alyssababy7
Evaluate the determinant. |-3; 5; -2| | 3; 0; -3| | 3; 0; 1| A. 60 B. -30 C. -60 D. 30
=(-3)(0)(1) + (5)(-3)(3) + (-2)(3)(0) - (-2)(0)(3) - (-3)(-3)(0) - (1)(3)(5) = ...???
|dw:1354441097040:dw|
first subtract second row from the third and the third row becomes 0 0 4 and now exapnd it through the third row to get 4((-3*0)-(3*5))=-60 thus C