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Grade 11Algebra

let A and B be the arbitrary real number find the smallest natural number b for which the equation x2+ 2(a+b)+(a-b+8)=0 has unequal roots for all a belongs to R

Profile image of Anupam
8 Years agoGrade 11
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1 Answer

Profile image of Arun
8 Years ago
Dear Anupam
 
I a getting my answer as 
 b> 33/8
 
hence natural number satisfying b = 5
 
Regards
Arun (askIITians forum expert)