Предмет: Алгебра, автор: 0350008

Упростите выражение
1) √(х²-2х+1) при х≤1
2) √(9х²-6х-1) при х<0,3

Ответы

Автор ответа: Checov7400
0
1)  √(х-1)²=+/-х-1     при  х≤1     -------------1-----------
                                            х∈(-∞;1]

2)     √(9x²-6x+1) =√(3x-1)² =+/-(3x-1)     при х<0,3
         9х²-6x+1=(3x-1)²                   -------------0,3-------------------
                                                x∈(-∞;0,3)
     
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1 Complete the sentences with the missing
words. some letters are given. There is one space for each missing lecter.
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