x-y x+y 4 ( —— - —— ) : —— ...

Question

x-y x+y 4 ( —— - —— ) : —— ...

Вера

     x-y        x+y                4
( —— - ——    ) :     ——
    x+y        x-y            x^2-y^2

упростите выражение

Есть ответ

17.12.2022

405

Ответ

Answer 1 · 17.12.2022

x^2 - 2xy + y^2 - x^2 + 2xy + y^2 x^2 - y^2 2y^2 x^2 - y^2 2y^2 y^2

---------------------------------------- * ----------- = ---------- * ------------ = ------- = -----

x^2 - y^2 4 x^2 - y^2 4 4 2

x-y x+y 4 ( —— - —— ) : —— ...

x-y x+y 4 ( —— - —— ) : —— x+y x-y x^2-y^2 упростите выражение

Ответ

x^2 - 2xy + y^2 - x^2 + 2xy + y^2 x^2 - y^2 2y^2 x^2 - y^2 2y^2 y^2 ---------------------------------------- * ----------- = ---------- * ------------ = ------- = ----- x^2 - y^2 4 x^2 - y^2 4 4 2

x-y x+y 4
( —— - —— ) : ——
x+y x-y x^2-y^2

упростите выражение

x^2 - 2xy + y^2 - x^2 + 2xy + y^2 x^2 - y^2 2y^2 x^2 - y^2 2y^2 y^2

---------------------------------------- * ----------- = ---------- * ------------ = ------- = -----

x^2 - y^2 4 x^2 - y^2 4 4 2