Question

Which pairs contain like terms?

$2xy,-3yx$

Answer 1

Identifying $2xy,-3yx$ are the like terms or not :

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

Since, $2xy,-3yx$ having same literal(variable) coefficients i.e., $xy$

Hence, $2xy,-3yx$ are like terms .