Question

If x+y-5by2 and xy=1,find x-y

Answer 1

Answer:

sorry I don't understand the question

Answer 2

x+y = 5/2. xy = 1.

now,

(x+y)² = (5/2)²

or, (x+y)² - 4xy = 25/4 - 4.1

or, (x-y)² = (25-16)/4

or, (x-y)² = (3/2)²

or, (x-y) 3/2.

please mark me brainlist