SOLUTION: Find the magnitude of the following vector: v = 2i - 4j

SOLUTION: Find the magnitude of the following vector: v = 2i - 4j

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Question 405261: Find the magnitude of the following vector: v = 2i - 4j
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

The of a vector is given by the following formula:
For v = (v1, v2)
||v|| =

Therefore, since v = (2, -4),

||v|| =
=
= , which can be reduced to

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