Which of the following are logical (Boolean) operators? a. = ! b. && c. | a. =! b. && c. | d. What is the output of the following code? int num = 17;//Line1 double gpa = 3.85;//Line 2 bool done;//Line 3 done = (num == sttic_cast (2 + gpa + 9.3));//LIne 4 cout using name space std: int main() {int firstNum = 8: int secondNum = 39: cout