JEE Main & Advanced
Mathematics
Vector Algebra
Question Bank
Scaler or Dot product of two vectors and its application
question_answer
If the angle between two vectors \[\mathbf{i}+\mathbf{k}\] and \[\mathbf{i}-\mathbf{j}+a\mathbf{k}\] is \[\pi /3,\] then the value of \[a=\] [MP PET 1997]