If $R \subset A \times B$ and $S \subset B \times C\,$ be two relations, then ${(SoR)^{ - 1}} = $

  • A

    ${S^{ - 1}}o{R^{ - 1}}$

  • B

    ${R^{ - 1}}o{S^{ - 1}}$

  • C

    $SoR$

  • D

    $RoS$

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