For the x, y, z axis are defined by the Cartesian unit vectors in corresponding i, j, and k. Consequently, any vector A with scala components Ax, Ay and Az can be in the Cartesian vector presented as; A UA = A. A. = Ax. Ai +. Ay. Aj +. Az. A k. B) eA= A/|A| = (Ax-i + Ay-j + Az-k)/(Ax+ Ay +Az) Square root of the sum squares of Ax, Ay and Az D) A = AXI + AY j + AZ k
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