Let a, b, c be the lengths of the sides of a triangle (no two of them are equal) and `k in R`.If the roots of the equation `x^2 + 2(a+b+c)x+6k(ab+bc+ac)=0` are real, then:

Let a, b, c be the sides of a triangle . No two of them are equal and λ∈R . If the roots of the equation x ^2+2(a+b+c)x+3λ(ab+bc+ca)=0 are real, then

Let a,b,c be the sides of a triangle. No two of them are equal and lambda in R If the roots of the equation x^2+2(a+b+c)x+3lambda(ab+bc+ca)=0 are real, then

Let a,b,c be the sides of a triangle. No two of them are equal and lamda in R If the roots of the equation x ^(2) +2 (a+b+c)x+3 lamda (ab+bc+ca)=0 are real distinct, then

Let a,b,c be the sides of a triangle no two of them are equal and lambda in R if the roots of the equation x^(2)+2(a+b+c)+3lambda (ab+bc+ca=0) are real then

Let a, b,c be sides of a triangle. No two of them are equal and lambda in R. If the roots of the equation x^(2) + 2 (a + b + c) x + 3 lambda (ab + bc + ca ) = 0 are real , then :

Let a,b,c be the sides of a triangle. No two of them are equal and lambda in R If the roots of the equation x^2+2(a+b+c)x+3lambda(ab+bc+ca)=0 are real, then (a) lambda 5/3 (c) lambda in (1/5,5/3) (d) lambda in (4/3,5/3)

Let a,b,c be the sides of a triangle. No two of them are equal and lambda in R If the roots of the equation x^2+2(a+b+c)x+3lambda(ab+bc+ca)=0 are real, then (a) lambda 5/3 (c) lambda in (1/5,5/3) (d) lambda in (4/3,5/3)

Let a,b,c be the sides of a triangle. No two of them are equal and lambda in R If the roots of the equation x^2+2(a+b+c)x+3lambda(ab+bc+ca)=0 are real, then (a) lambda 5/3 (c) lambda in (1/5,5/3) (d) lambda in (4/3,5/3)

Let a,b,c be the sides fo a triangle where anebnec and lamdainR ,if roots of the equation x^2+2(a+b+c)x+3lamda(ab+bc+ca) =0 are real, then