Question

Which Of the following pairs of terms is a pair of unlike terms?

Answer 1

Answer:

Pair D

Step-by-step explanation:

Like terms means the terms being multiplied same coefficients, while, unlike terms means terms being multiplied by different variables. 2. Let's take each one into consideration.

a) -p²q², 12 q²p²

Here, p² and q² are being multiplied by both the times, in the first one, by -1 and in the second one by 12, in both the terms, so, pair A is made up of like terms.

b) 41, 100

Here, both the terms are multiplied by 1 indirectly. Both having the same coefficient, they are like terms.

c) qp² , 13 p²q

Here, both the terms are multiplied by p² and q, in the first term 1 x p² x q OR 1 x q x p². In the second term, 13 x p² x q OR 13 x q x p². So, pair C is also made up of like terms.

d) -4yx² , -4xy²

Here, both the terms are made up of 4 different terms those are, x , x² , y and y². Therefore, pair D is made up of unlike terms.

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