Which of the following is not a valid postfix expression? A. 5 4 + B. 6 5 4 + - C. 4 + 5 D. 8 2 + 2 / E. all of the above are valid postfix expressions
Question
Solution 1
To determine which of the following is not a valid postfix expression, let's analyze each option:
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Option A:
5 4 +- This is valid. It adds 5 and 4.
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Option B:
6 5 4 + -- This is valid. The expression evaluates as follows:
5 4 +results in 9.- Then
6 9 -res Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
- This is valid. The expression evaluates as follows:
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
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