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asked
Sep 1, 2018
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Mathematics
high-school
VahidNaderi
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1
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no it's wrong
it should be
(2x-3y) ²/ (-2x+3y)²
= (2x-3y)(2x-3y) / -(2x-3y) (2x-3y)
=-1
her solution is correct but the method isn't
Paulo Guedes
answered
Sep 7, 2018
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Paulo Guedes
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