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If veca=-vec(2i)-vec(2j)+vec(4k),vecb=-v...

If `veca=-vec(2i)-vec(2j)+vec(4k),vecb=-vec(2i)+vec(4j)-vec(2k) and vecc=vec(4i)-vec(2j)-vec(2k)` Calculate the value of `[veca vecb vecc\]` and interpret the result.

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