If ` vec a ,\ vec b ,\ vec c\ ` represent the sides of a triangle taken in order, then write the value of ` vec a+ vec b+ vec c`

Explanation

Let `vec{AB}=vec{a}, vec{BC}=vec{b}, vec{CA}=vec{c}`

Then, by triangle law of vector addition


`vec{AB}+vec{BC}=vec{AC}`



`vec{AB}+vec{BC}-vec{AC}=0`


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