2.3 Assume that a, b, c, and d are defined as follows, and calculate the results of the following operations if they are legal. If an operation is illegal, explain why it is illegal. Spring 2018, Dr. Frank Shih 2 a= (a) result- a+ b; (b) result a * d; (c) result -a.* d; (d) result = a * c; (e) result a .* c; (f) result = a \ b; (g) result-a.\b; (h) result-a.^b