Question

answer this please. expand it ​

Answer 1

(3a/7 + 7b/3)2

First we have to do LCM of 7,3

that is = 7×3= 21

(3a×3/21 + 7b×7/21)2

(9a/21+49b/21)2

2×(9a+49b/21)

18a+98b/21