3. The tensors S, T, and U have the following Cartesian, cylindrical polar, and spherical components, respectively, in matrix form: X1X2 X3 x 7.2 rz 223 3r rcos 1 [S] = x3 2x2x3 3x3 [T] = sin20 rz 1 [U] = rcos 0 rsin 223 1 1 rsin e 7.2 x 3x3 2x1x3 Determine div S, div T, and div U.