write the postfix notation for (9-3) +7 and the postfix notation for 9- ( 5+2 )
write the postfix notation for (9-3) +7 and the postfix notation for 9- ( 5+2 )
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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write the postfix notation for (9-3) +7 and the postfix notation for 9- ( 5+2 )
Expert Solution
Step 1
Answer to the given question:
Answer(1):
The postfix of the expression (9-3) +) is 93-7+
| Sr. no. | Expression | Stack | Postfix |
|---|---|---|---|
| 0 | ( | ||
| 1 | 9 | ( ( | 9 |
| 2 | - | ( ( - | 9 |
| 3 | 3 | ( ( - | 93 |
| 4 | ) | ( | 93- |
| 5 | + | ( + | 93- |
| 6 | 7 | ( + | 93-7 |
| 7 | ) | 93-7+ |
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