JEE Main & Advanced
Mathematics
Vector Algebra
Question Bank
Numerical Value Type Questions - Vector
question_answer
If \[|\overrightarrow{a}|\,\,=\,\,|\vec{b}|=1\] and \[|\overrightarrow{a}\,+\,\overrightarrow{b}|=\sqrt{3,}\] then find the value of \[\left( 3\,\,\overrightarrow{a}-4\,\vec{b} \right).\left( 2\,\overrightarrow{a}+5\,\overrightarrow{b} \right).\]