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I've managed the bit above. Just stuck on the next part:

If [itex]R_{ij}[/itex] is any symmetric tensor and [itex]v_i[/itex] is again always a vector, what can be said about the transformation properties of [itex]T_{ijk}[/itex] and [itex]T_{ijk}+T_{ikj}[/itex]???