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Valume of parallelpiped formed by vectors veca xx vecb, vecb xx vecc and vecc xx vecais 36 sq. units. |
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Answer» `or [veca vecb vecc]=6` ` Rightarrow` volume of terthedron FORMED by vectors. `veca,vecb and vecc is1/6 [ veca vecb vecc] =1` `[veca +vecb vecb +vecc vecc +veca] =2 [veca vecb vecc] =12` `veca-vecb,vecb-vecc and vecc-veca`are coplanar, `Rightarrow [veca-vecb vecb -veccvecc-veca]=0` |
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