Question

How many like pairs are formed from the polynomials given below:
$2x^2,3x^2,5xy,6x^2{y}^2,9x^2{y}^2,7xy$

Answer 1

(1) $2x^2$ and $3x^2$
(2) $5xy$ and $7xy$
(3) $6x^2{y}^2$ and $9x^2{y}^2$