September 2021 0 13 Report
При каких значениях параметра a, отношение корней уравнения: 1) x^2-(2a+4)x+a^2+4=0  равно 5 ?
2) x^2-(a+2)x+a^2-1=0  равно 3 ?
3) x^2-(3a+2)x+a^2=0  равно 9 ?
4) ax^2-(a+3)x+3=0  равно 3/2 ?
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