Given the following infix expression which one of the following is the corresponding postfix expression (a+b)*(c-d)/(e+f)
a. none of the other answers
b. ab+cd-*ef+/
c. abcdef+*-/+
d. ab+cd-ef+*/

Idon’t know this one

As computers and other digital devices have become essential to business and commerce, they have also increasingly become a target for attacks. in order for a company or an individual to use a computing device with confidence, they must first be assured that the device is not compromised in any way and that all communications will be secure