If `a , b , c ,` are the sides of a triangle `A B C` such that `x^2-2(a+b+c)x+3lambda(a b+b c+c a)=0` has real roots, then (a)`lambda<4/3` (b) `lambda>5/3` (c)`lambdain(4/3,5/3)` (d) `lambdain(1/3,5/3)`

If a, b, c are the sides of a triangle ABC such that x^2+2(a+b+c)x+3lambda(a b+b c+c a)=0 has real roots.then

If a,b,c are the sides of a triangle ABC such that x^(2)-2(a+b+c)x+3 lambda(ab+bc+ca)=0 has real roots.then

If a,b,c, are the sides of a triangle ABC such that x^(2)-2(a+b+c)x+3 lambda(ab+bc+ca)=0 has real roots,then (a)lambda (5)/(3)(c)lambda in((4)/(3),(5)/(3)) (d) lambda in((1)/(3),(5)/(3))

Let a ,b , c be the sides of a triangle, where a!=b!=c and lambda in R . If the roots of the equation x^2+2(a+b+c)x+3lambda(a b+b c+c a)=0 are real. Then a. lambda<4/3 b. lambda>5/3 c. lambda in (1/3,5/3) d. lambda in (4/3,5/3)

Let a ,b , c be the sides of a triangle, where a!=b!=c and lambda in R . If the roots of the equation x^2+2(a+b+c)x+3lambda(a b+b c+c a)=0 are real. Then a. lambda<4/3 b. lambda>5/3 c. lambda in (1/3,5/3) 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 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,where a!=b!=c 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 a.lambda (5)/(3) c.lambda in((1)/(3),(5)/(3)) d.lambda in((4)/(3),(5)/(3))

If a