Question

xy=

1.(x+y)2-(x-y)2
2.(x+y)2+(x-y)2
3.(x+y/2)2-(x-y/2)2
4.(x+y/2)2+(x-y/2)2​

Answer 1

Answer:

1.1.(x+y)2-(x-y)2 please mark brainliest