If a,b,c are the sides of a Δ ABC such that x2-2(a+b+c)x +3Κ(ab+bc+ac)=0 has real roots then,
a) K <4/3
b) K>5/3
c) K ε ( 4/3,5/3)
If a,b,c are the sides of a Δ ABC such that x2-2(a+b+c)x +3Κ(ab+bc+ac)=0 has real roots then,
a) K <4/3
b) K>5/3
c) K ε ( 4/3,5/3)