Multiple choice

Given an infix expression with parenthesis. If we try to convert this postfix in the resultant expression

  1. all the parenthesis will remain there

  2. some parenthesis are taken and some discarded

  3. no parenthesis is taken

  4. the positions are parenthesised and changed

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When converting an infix expression to postfix, the parentheses are used to determine the order of operations but are discarded in the final postfix notation.