Предмет: Алгебра, автор: limon1410

 решить неравенство

4х в квадрате - х -1 и всё это по модулю меньше либо равно 2

 

плииззз..помогитее

 

 

Ответы

Автор ответа: R1ee1N
0

4x²-x-1≤ 2 и 4x²-x-1≥ - 2 - решаешь два уравнения и находишь корни промежутками 

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