What is the maximum normal form of this functional…

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What is the maximum normal form of this functional dependencies?
R(A,B,C,D,E,F,G,H)
{AB->D, D->E,F->GH, G->H }
a) 1ST NF
b) 2ND NF
c) 3RD NF
d) BCNF

Ravi Garg edited question
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    Harish Krishnan (anonymous)

    what about the dependency of C …..

    Harish Krishnan answered
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      Swarvanu Medda (anonymous)

      A. 1st NF….bcas ABF is the key…F->GH partial dependency

      Swarvanu Medda answered
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        Muskan Mishty (anonymous)

        1NF

        Muskan Mishty answered
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          Vinod Kumar (anonymous)

          1st NF, ABF is key and F->GH is partial functional dependency.

          Vinod Kumar answered
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