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Apply condtion formula to given question
=Pr(E^c inst F^c inst G)/pr(G)
=pr(G)-p(E inst G)-P(F instG)/p(G) (can check though Venn diagram )
=p(G)-p(E)p(G)-p(F)p(G)/p(G) (it is given that pairwise independent n divide numerator from pg)
=1-pE-PF
=pE^c - pF
Option c
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