Предмет: Алгебра, автор: zxkfhb

найдите значение а и б из тождества : (Ax 5)(x b)=6x'2-13x-15

Ответы

Автор ответа: yanaaleksandrov

решим квадратное уравнение
6x^2-13x-15=0
D=(-13)^2-4*6*(-15)=529
x1=(13+V529)/12=3
x2=(13-V529)/12= -5/6
разложим квадратное уравнение по корням
6x^2-13x-15=a(x-x1)(x-x2)=6(x-3)(x+5/6)

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