1.

Convert the following Infix expression to Postfix form using a stack.

A. x + y * z + (p * q + r) * s, Follow usual precedence rule and assume that the expression is legal.
B. xyz*+pq*r+s*+
C. xyz*+pq*r+s+*
D. xyz+*pq*r+s*+
E. xyzp+**qr+s*+
Answer» B.


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