JEE Main & Advanced
Mathematics
Vector Algebra
Question Bank
Mock Test - Vector Algebra
question_answer
If \[\left| {\vec{a}} \right|=5,\,\,\left| {\vec{b}} \right|=4,\]and \[\left| {\vec{c}} \right|\]=3, then what will be the value of \[|\vec{a}\cdot \vec{b}+\vec{b}\cdot \vec{c}+\vec{c}\cdot \vec{a}|\] will be _____ . Given that \[\vec{a}+\vec{b}+\vec{c}=\vec{0}\].