Q2 : Declare Function Multiply_Add Lib “test” (ByRef A as integer ,VeRef B as integer , ByQ2 : Declare Function Multiply_Add Lib “test” (ByRef A as integer ,VeRef B as integer , ByVal c as integer ) as integer Q2.1: Explain what is Declare Function used for ? Ans : Q2.2 : Explain the difference between ByRef and ByVal ? Ans :