Question

xy =
a. ( x+y) 2 - (x-y) 2
b. ( x+y) 2 - (x-y) 2
c. [x+y/2 ] 2 - [ x - y / 2 ] 2
d. [x+y/ 2]2 + [x-y/ 2] 2​

Answer 1

Answer:

$(x + y)^{2} - (x-y)^{2}$