which of the following is a comparison operator to represent not equal to in an if, countif or sumif function?

D/dx(1+x^4+x^6/x^2+x+1) a)2x-1 b)2x+1 c)2 d)0

What are two basic questions you should ask yourself when contemplating career choices? a. what do i enjoy doing, and what do i hate doing? b. what are my least favorite subjects, and what do i do in my spare time? c. how do i discover what i like, and what do i talk about a lot? d. what do i enjoy doing, and what subjects do i like?

What are the disadvantages of the american media’s coverage of the election process, and why do many people consider it bad for democracy?