Let vec(u),vec(v),vec(w) be such that vec(u)+vec(v)+vec(w)=0. If |vec(u)|=3,|vec(v)|=4,|vec(w)|=5, then vec(u).vec(v)+vec(v).vec(w)+vec(w).vec(u)=

Let vec(u),vec(v),vec(w) be such that vec(u)+vec(v)+vec(w)=0. If |vec(

1.	Let vec(u),vec(v),vec(w) be such that vec(u)+vec(v)+vec(w)=0. If \|vec(u)\|=3,\|vec(v)\|=4,\|vec(w)\|=5, then vec(u).vec(v)+vec(v).vec(w)+vec(w).vec(u)=
Answer» 47 25 -25 -47 Answer :C

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Let vec(u),vec(v),vec(w) be such that vec(u)+vec(v)+vec(w)=0. If |vec(u)|=3,|vec(v)|=4,|vec(w)|=5, then vec(u).vec(v)+vec(v).vec(w)+vec(w).vec(u)=

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