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Grade 11Algebra

For what values of a does the equation
(2-x)(x+1)=a posses real and positive roots ?
Please provide the solution
( The given soln is ( 2 , 17/4 ).Is it correct ???)

Profile image of piyush soni
11 Years agoGrade 11
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3 Answers

Profile image of piyush soni
11 Years ago
i Have applied D>=0 , -b/2a>0 and f(0)>0 but still not getting the answer
Profile image of piyush soni
11 Years ago
i Have applied D>=0 , -b/2a>0 and f(0)>0 but still not getting the answer
Profile image of piyush soni
11 Years ago
i have got ( 2 , 9/4 ] 

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