Question: PI) Given grammar in BNF | ; + | * | - / | *a b c d (a) show a derivation for the given

PI) Given grammar in BNF | ; + | * |

PI) Given grammar in BNF | ; + | * | - / | *a b c d (a) show a derivation for the given sentence ac: b=c-d*a (b) show a parsing tree for a = c; b=d; d=c*b* a

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