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Find ||v|| if v is:

< 4, 3 >

Guest Jun 8, 2014

Best Answer 

 #1
avatar+3450 
+5

It looks like we are trying to find the magnitude of this vector.

We can use Pythagoras' theorem to calculate this:

||v|| = √( x2 + y2 )

||v|| = √( (4)2 + (3)2 )

||v|| = √( 16 + 9 )

||v|| = √25

||v|| = 5

 

Source: http://www.mathsisfun.com/algebra/vectors.html

NinjaDevo  Jun 9, 2014
 #1
avatar+3450 
+5
Best Answer

It looks like we are trying to find the magnitude of this vector.

We can use Pythagoras' theorem to calculate this:

||v|| = √( x2 + y2 )

||v|| = √( (4)2 + (3)2 )

||v|| = √( 16 + 9 )

||v|| = √25

||v|| = 5

 

Source: http://www.mathsisfun.com/algebra/vectors.html

NinjaDevo  Jun 9, 2014

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