1/x-y -2/2x+y +1/x+y -2/2x-y
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Answer:
the answer is zero
I think so....
Step-by-step explanation:
1/x-y+1/x+y-2/2x-y-2/2x+y
1/x^2-y^2=2/2x^2-y^2
2x^2-y^2=2x^2-y^2
2x^2-2x^2=-y^2+y^2
0=0
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