4m 2m+1 2m-1 ⁻⁻⁻⁻⁻⁻ -⁻⁻⁻⁻⁻⁻⁻⁻ + ⁻⁻⁻⁻⁻⁻⁻⁻ = 4m²-1 6m-3 4m+2 1 2 1 ⁻⁻⁻⁻⁻⁻⁻ - ⁻⁻⁻⁻⁻⁻ + ⁻⁻⁻⁻⁻⁻⁻⁻ = (x+y)² x²-y² (x-y)² решите примеры по действиям и распишите. Created by 040197. algebra-ru

4m 2m+1 2m-1 ⁻⁻⁻⁻⁻⁻ -⁻⁻⁻⁻⁻⁻⁻⁻ + ⁻⁻⁻⁻⁻⁻⁻⁻ = 4m²-1 6m-3 4m+2 ...

4 * m 2 * m + 1 2 * m - 1

-------------- - ------------- + ------------- =

4 * m² - 1 6 * m - 3 4 * m + 2

4 * m * 6 - (2 * m + 1) * 2 * (2 * m + 1) + 3 * (2 * m - 1) * (2 * m - 1)

------------------------------------------------------------------------------------ =

6 * (2 * m - 1) * (2 * m + 1)

24 * m - 2 * (4 * m² + 4 * m + 1) + 3 * (4 * m² - 4 * m + 1)

------------------------------------------------------------------------ =

6 * (2 * m - 1) * (2 * m + 1)

24 * m - 8 * m² - 8 * m - 2 + 12 * m² - 12 * m + 3 4 * m² + 4 * m + 1

------------------------------------------------------------ = ----------------------------------- =

6 * (2 * m - 1) * (2 * m + 1) 6 * (2 * m - 1) * (2 * m + 1)

(2 * m + 1)² 2 * m + 1

------------------------------------ = ----------------

6 * (2 * m - 1) * (2 * m + 1) 12 * m - 6

1 2 1 (X - Y)² - 2 * (X² - Y²) + (X + Y)²

----------- - ----------- + ----------- = ---------------------------------------- =

(X + Y)² X² - Y² (X - Y)² (X - Y)² * (X + Y)²

X² - 2 * X * Y + Y² - 2 * (X² - Y²) + X² + 2 * X * Y + Y² 4 * Y²

---------------------------------------------------------------- = ------------------------

(X - Y)² * (X + Y)² (X - Y)² * (X + Y)²