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  • The set of exhaustive values of a for which the equation |ax-2|=2x^2+ax+4 has at least one positive roots is

The set of exhaustive values of a for which the equation |ax-2|=2x^2+ax+4 has at least one positive roots is

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Solution:   

         2x^2+ax+4=ax-2\ \ Rightarrow hspace1cmx^2+ax+1=0\ \ Rightarrow hspace1cmaleq -2

 At least one positve root

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Deependra Verma

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