The prefix form of an infix expression (p + q) – (r * t) is?
A. + pq – *rt
B. – +pqr * t
C. – +pq * rt
D. – + * pqrt
Answer:C
The prefix form of an infix expression (p + q) – (r * t) is?
A. + pq – *rt B. – +pqr * t C. – +pq * rt D. – + * pqrt