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could U help?

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(a-1)*x^2+(a-3)*x-2>0 solve the inequality for all values of the parameter a

Guest Aug 20, 2017
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Intepretation: $$(a-1)\cdot x^2+(a-3)\cdot x-2>0$$

Solution:

$$1.a=0, x<-1$$

$$2.a>0, x>\frac{2}{a-1}$$

$$3.a>1, x<-1$$

\(4.-1

\(5.a<-1,\space-1

(Source: http://www.wolframalpha.com/input/?i=(a-1)*x%5E2%2B(a-3)*x-2%3E0)

Jeffes02  Aug 20, 2017
edited by Jeffes02  Aug 20, 2017

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