Qns4. Using the following grammar: -> = show the derivation for each of the following statements: a. A=A*(B+(C * A)) b, B = C * (A * C + B) Qns5. Using the following grammar: = AIBIC + I * | ( )I show the derivation for each of the following statements: a, A = ( A + B ) * C c, A A * (B + C) d. A-B * (C * (A + B))