Докажите дождество. Подробно...

leonus2156 @leonus2156

December 2021 1 25 Report

Докажите дождество. Подробно

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TARTILLO

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1 1
------- + -----
(x+y) (x-y) x
--------------------- = - ----
  1 1 y
------- - -----
(x+y) (x-y)

1)   1 1 (x-y+x+y) 2x
  ------- + ----- = -----------------= -------------
(x+y) (x-y)   (x-y)(x+y)   (x-y)(x+y)

  1 1 (x-y)-(x+y)    -2y 2x -2y -x
2)   ------- - ----- = -------------- = ------------- 3) ------------ :------------- = ----
(x+y) (x-y)   (x-y)(x+y) (x-y)(x+y) (x-y)(x+y) (x-y)(x+y) y

ч.т.д.

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