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Evaluate the following determinants: [[1,2,3],[3,5,7],[8,14,20]] |
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Answer» SOLUTION :`[[1,2,3],[3,5,7],[8,14,20]]=2[[1,2,3],[3,5,7],[4,7,10]]` `2[[1,2,3],[3,5,7],[3,5,7]] (R_3=R_3-R_1)` =0 `(because R_2=R_3)` |
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