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Evaluate the followingdeterminants |[3,-1,-2],[0,0,-1],[3,-5,0]| |
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Answer» Solution :On expanding ALONG `R_2` we have |[3,-1,-2],[0,0,-1],[3,-5,0]| = -0|[-1,-2],[-5,0]|+ 0|[3,-2],[3,0]|-(-1)|[3,-1],[3,-5]| = 0+0+1(-15+3) = -12` |
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