Question

Спростите вираз.....

Answer 1

Ответ:

-4/y

Объяснение:

((x+4y)/(x(x-4y)) -(x-4y)/(x(x+4y)))×(-(x-4y)(x+4y))/4y^2=((x+4y)^2 -(x-4y)^2 /(x(x-4y)(x+4y)) ×(-(x-4y)(x+4y))/4y^2= -(x^2 +8xy+16y^2 -x^2 +8xy-16y^2)/4xy^2= -16xy/4xy^2= -4/y