Calculate the magnetic flux density for the current distribution in free space to be A = (3xy + y)a + (xy * jay * txvz 3r"y)a Wblm_
(a) a, (-txz + 6xy + 3r-' ) + a (-3x'_=) (6) a, (-jx + 6ry + 3x ) - a, (-ty + 6w _y)ta(y-?-3-2) (c) a, (-tv3+-")+0 ( ~-3r_: