Answer:
D.abc,cab
Step-by-step explanation:
We are given that some pairs of terms
We have to find the pairs of terms is composed of like terms.
Like terms : In algebra , like terms are those terms in which variables with power are same in the terms.
A.4mn,3my
In given pair ,variables n and y are not same .Therefore, 4 mn and 3 my are not like terms.
B. 2a , 2b
In given pair variable a in first term and variable b in second term are not same. Therefore, given pair are not like terms.
C.-3x,3y
Variable x and y are not same therefore, it is not the pair of like terms.
D.abc, cab
In given pair variable a with power is same in both terms, variable b with power is same in both terms and variable c with power is same in both terms.Hence, the pair is a pair of like terms.
Answer: D.abc cab.
