y^-2 - 2(xy)^-1 + x^-2 / y^-2 - x^-2 = ... a. 1/x-y b.1/x+y c. x/x-y d. x-y/x=y e. x+y/x-y
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Pertanyaan
y^-2 - 2(xy)^-1 + x^-2 / y^-2 - x^-2 = ...
a. 1/x-y
b.1/x+y
c. x/x-y
d. x-y/x=y
e. x+y/x-y
a. 1/x-y
b.1/x+y
c. x/x-y
d. x-y/x=y
e. x+y/x-y
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