1.

The area of the triangle having vertices as \[\mathbf{i}-2\mathbf{j}+3\mathbf{k},\] \[\,-2\mathbf{i}+3\mathbf{j}+\mathbf{k}\] , \[4\mathbf{i}-7\mathbf{j}+7\mathbf{k}\] is [MP PET 2004]

A. 26
B. 11
C. 36
D. 0
Answer» E.


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