geometria plana/vectors
producte escalar de vectors
Siguin els vectors «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover»«mi»u«/mi»«mo»§#8594;«/mo»«/mover»«mo»=«/mo»«mo»#«/mo»«mi»u«/mi»«/math» i «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover»«mi»v«/mi»«mo»§#8594;«/mo»«/mover»«mo»=«/mo»«mo»#«/mo»«mi»v«/mi»«/math». Calculeu «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover»«mi»u«/mi»«mo»§#8594;«/mo»«/mover»«mo»§#183;«/mo»«mover»«mi»v«/mi»«mo»§#8594;«/mo»«/mover»«/math»]]>
1.0000000
0.3333333
0
0
#resul]]>
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