Question

In how many ways can the string A ∩ B − A ∩ B − A be fully parenthesized to yield an infix expression?

Answer 1

Answer:

Step 3: Count the total number of possible ways The total number of ways to fully parenthesize the given string to yield an infix expression is equal to the sum of the number of expressions for each case. Therefore, the total number of possible ways is 7 + 7 = 14.Jan 1, 2021