Question :
Convert the following Infix expression to Postfix form using a stack
x + y * z + (p * q + r) * s, Follow usual precedence rule and assume that the expression is legal.
1. xyz*+pq*r+s*+
2. xyz*+pq*r+s+*
3. xyz+*pq*r+s*+
4. None of the mentioned
Answer :
1 - xyz*+pq*r+s*+
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