Please, I want the solution in text format, not handwritten, for all paragraphs as well, and in the correct form. I want a correct solution. I do not want an explanation, and I do not want a previous solution from Chegg. Please do not give me a previous solution from Chegg.

4. a) Explain how DAG (directed acyclic graph) is different from syntax tree. [1 Marks] b) Construct a DAG for the expression (a+a(bc))+((bc)d) [1.5 Marks] c) Construct a DAG for the given 3AC. [1.5 Marks] (1) P:=0 (2) I:=1 (3) P:=P+I (4) IF P