Linear Algebra, Mathematics, Study, Learn, Cross Product.
Well we do this in order to organize the calculations and represent the direction of the resulting vector in terms of unit vectors along the x, y and z axes. Source — https://www.youtube.com/watch?v=BaM7OCEm3G0&list=PLZHQObOWTQDPD3MizzM2xVFitgF8hE_ab&index=11