i personally think that this is just a very simple problem since the problem only requires plugging the right values into the formula. i'm just having trouble with one minor detail. 1. The problem statement, all variables and given/known data For the current element Idx(ax+ay) A situated at P(1,-2,2), find the magnetic flux densities at P(2,-1,3). 2. Relevant equations Biot-Savart dB = (K)(IdI x r)/rr 3. The attempt at a solution my only problem in here is that i'm having a hard time figuring out what idx is? do i just substitute it for Idl then just get its cross product with r and so on? also, do i need to actually integrate it to get B? that is all and thanks.