Please Answer this (Its quite easy)(I just don't know how to Identify it)
Which of the following is NOT a rational algebraic
expression?
①
[tex] \frac{12}{x - 2} [/tex]
②
[tex] \frac{x}{m - m} [/tex]
③
[tex] \frac{1}{x} [/tex]
④
[tex]{a}^{2} b - ^{6} {c}^{7} [/tex]
Answers & Comments
-you can’t put an exponent if it has no constant or base