Question

Please give the full explanation means how to do it ​

Answer 1

Answer:

The correct option is B

I hope you understand.

Answer 2

(x/2y)^2 + (2y/3x)^2- 2/3

a^2+b^2-2ab =( a - b )^2

now,

(x/2y - 2y/3x ) ^2

then one side is

(x/2y-2y/3x)

option is B