Let “if x then y else z” denote the expression and this expression can be represented as “?xyz” using ternary prefix operator.
The prefix operator for the following expression
If a then if c-d then a+c else a*c else a+b
1
?-acd+ac?+ab+ac
2
?a?-cd+ac*ac+ab
3
?a-cd?+ac*ac+ab
4
None of these