Confusion in using between Sx-1Dx and sDx

Discussion in 'CT5' started by Srijana Raghunath, Feb 8, 2018.

  1. Pls clarify when to use Sx-1 Dx and Sx sDx.

    here in sDx, s is superscript. i could not do the formatting :(

    I have seen that with similar type of questions, they are using sometimes this and some times that. its very confusing!!
     

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