Question

Which pairs contain like terms?

$2xy,3xyz$

Answer 1

We know that, the terms having same literal(variable) coefficient are called like terms .

In $2xy$ , variable coefficient is $xy$.

In $3xyz$ , variable coefficient is $xyz$.

Since, $2xy,3xyz$ not having same literal(variable) coefficients.

Hence, $2xy,3xyz$ are not like terms .