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HeavenGirl
@HeavenGirl
July 2022
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Решите пожалуйста
√2-x+√x^2-4x+3
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oganesbagoyan
Verified answer
Решите √2-x+√x^2-4x+3 ЧТО делать?
-------------------------------
допустим найти ООФ f(x) =
√(2-x)+√(x²-4x+3)
f(x) =√(
2-x)+√(x-1)(x -3)
система неравенств
{ 2-x ≥0 ; (x-1)(x -3) ≥0. ⇔ { x ≤2 ; (x-1)(x -3) ≥0.
//////////////////////////////////////////////[ 2]------------------------------------- x ≤2
///////////////////////////////[ 1 ]--------------------------[3]////////////////////////// (x-1)(x -3)
≥0
ООФ : x ∈( -∞ ; 1]
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Answers & Comments
Verified answer
Решите √2-x+√x^2-4x+3 ЧТО делать?-------------------------------
допустим найти ООФ f(x) =√(2-x)+√(x²-4x+3)
f(x) =√(2-x)+√(x-1)(x -3)
система неравенств
{ 2-x ≥0 ; (x-1)(x -3) ≥0. ⇔ { x ≤2 ; (x-1)(x -3) ≥0.
//////////////////////////////////////////////[ 2]------------------------------------- x ≤2
///////////////////////////////[ 1 ]--------------------------[3]////////////////////////// (x-1)(x -3) ≥0
ООФ : x ∈( -∞ ; 1]