If x^2 + y^2 = 13 and xy = 3, then (x − y)^2 =
Choose the correct option.
A) 7	B) 11	C) 14	D) 17	E) 20
but you cannot take xy+ 3 to mean xy=-3..   only if xy+3=0, it will mean xy=-3..   rest your solution is perfect and you will get your correct answer as 13-2*3=7..   7nswer 7
<result>A</result>
If x^2 + y^2 = 13 and xy = 3, then (x − y)^2 =