If `-2 + ibeta in R-{0}` is a root of `x^3 + 63x +lambda = 0,lambda in R` then find roots of equation.

If -2+i beta in R-{0} is a root of x^(3)+63x+lambda=0,lambda in R then find roots of equation.

If alpha, beta are the roots of x^2 – 3x + lambda = 0 (lambda in R) and alpha < 1

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. 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 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)+3lambda (ab+bc+ca=0) are real then

If one roots of equation x^(2)-sqrt(3)x+lambda=0,lambda in R is sqrt(3)+2 then the other root is