Scalars and Vectors

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Question

Set the following vectors in the increasing order of their magnitude
a)5i + 3j b) -2i + 4j + 6k c) 2i + 2j + 2k

Very Easy

Solution

$a . \sqrt{5^{2} + 3^{2}} = \sqrt{34} b . \sqrt{{(- 2)}^{2} + 4^{2} + 6^{2}} = \sqrt{56} c . \sqrt{{(2)}^{2} + 2^{2} + 2^{2}} = \sqrt{12}$

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