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Simplifying vectors

Vectors in geometry
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Simplifying vectors

Postby Guest » Mon Jul 06, 2020 12:36 pm

what is vector AB minus vector CA
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Re: Simplifying vectors

Postby nathi123 » Tue Jul 07, 2020 6:41 am

[tex]\vec{AB}+\vec{BC}=\vec{CA\Leftrightarrow} \vec{AB}-\vec{CA}=\vec{CB} ; (\vec{BC}=-\vec{CB}).[/tex]

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Re: Simplifying vectors

Postby HallsofIvy » Mon Aug 24, 2020 11:12 am

nathi123 wrote:[tex]\vec{AB}+\vec{BC}=\vec{CA\Leftrightarrow} \vec{AB}-\vec{CA}=\vec{CB} ; (\vec{BC}=-\vec{CB}).[/tex]

Shouldn't it be [tex]\vec{BA}+ \vec{AB}= \vec{AC}[/tex]?

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