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x² = xy implies x² - xy = 0 implies x(x - y) = 0, which means either x = 0 or x = y. But it is given that x and y are different integers, so x = y cannot be true. Hence, x = 0 holds true.grandh01 wrote:If x and y are different integers and x2
= xy, which of the following must be
true?
Ⅰ. x = 0
Ⅱ. y = 0
Ⅲ. x = -y
(A) Ⅰ only
(B) Ⅱonly
(C) Ⅲ only
(D) Ⅰand Ⅲ only
(E) Ⅰ,Ⅱand Ⅲ
OA IS A
