1. The problem statement, all variables and given/known data This exercice is in a Chapter named Introduction to Cartesian tensors. The following is the original question of the exercise: 2. Relevant equations Compute the vector: (x1^2 + 2x1*x2^2 + 3x2^2*x3), i 3. The attempt at a solution Plz help me, i dont understand what is the requirement ^^. Thanks very much!!!