Please Answer this question clearly and explain your answer please, See the question below.

And here is the example 3.2 and 3.4

1.Using the grammar in Example 3.2, show a parse tree and a leftmost derivation for the following statement A A (B+ (C* A) 2.Using the grammar in Example 3.4, show a parse tree and a leftmost derivation for the following statement: A (A+B) C 3. Prove that the following grammar is ambiguous = EXAMPLE 3.2 + l ids ) An Unambiguous Grammar = + EXAMPLE 3.4 for Expressions I -> * ( )