Answer to Question #110091 in Analytic Geometry for edi solomon

Analytic Geometry

Question #110091

If \\(a=3i-2j+k\\), \\(b=2i-4j-3k\\) and \\(c=-i+2j+2k\\), find the magnitude of \\(a+b+c\\)

Expert's answer

"\\\\a=3i-2j+k\\\\ \\\\b=2i-4j-3k\\\\ \\\\c=-i+2j+2k\\\\a+b+c=4i-4j"

its magnitude will be "\\sqrt{4^2+4^2}=4\\sqrt2"

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