1.

If the sine of the angles of DeltaABC satisfy the equation c^(3)x^(3)-c^(2) (a+b+c)x^(2)+lx +m=0 (where a,b,c are the sides of DeltaABC), then DeltaABC is

Answer»

ALWAYS right angled for any L, m
right angled only when `l=c (AB+bc+ca) =c sum ab, m=-abc`
right angled only when `l= (c sum ab)/(4) , m=-(abc)/(8)`
NEVER right angled

Answer :B


Discussion

No Comment Found

Related InterviewSolutions