the derivation of the string: a + (a + a) x a

Question

the derivation of the string: a + (a + a) x a send me solutions

Ramesh Palanivel · Answer

Hi Santhosh Let me explain you the derivation of string a+(a+a)*a we will take string a =R string a=R => if you add the string (a+a) means it will add like RR again you are adding a+(a+a) => Now the stirng is RRR But finally you are trying to multiply the string it should show complie time error We cannot make any multiplication and division for strings If you trying to do that  you will get the following compilation error Operator * cannot be applied to operands of type string and string