Question

find the length of 2i+4j+ 3K in 1/2 plane
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Answer 1

Answer:

$length = \sqrt{ {2}^{2} + {4}^{2} + {3}^{2} } \\ = \sqrt{4 + 16 + 9} \\ = \sqrt{29 } \\ \frac{1}{2} plane = \frac{ \sqrt{29} }{2} units$