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Find the solution set of inequation (4x/x^2+3)>=1, x belongs to R

Find the solution set of inequation (4x/x^2+3)>=1, x belongs to R

Grade:11

1 Answers

Arun
25750 Points
5 years ago
Dear student
 
as 
x^2 + 3 is always positive hence we can cross multiply
 
4x >= x^2 + 3
 
x^2 – 4x + 3
 
(x – 3) (x – 1)
 
x belongs to [1, 3]
 
Regards
Arun (askIITians forum expert)

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