All the three roots of az3 + bz2 + cz + d = 0 have
negative real parts (a, b, c ∈ R) then-
(A) ab > 0 (B) bc > 0
(C) ad > 0 (D) bc – ad > 0
All the three roots of az3 + bz2 + cz + d = 0 have
negative real parts (a, b, c ∈ R) then-
(A) ab > 0 (B) bc > 0
(C) ad > 0 (D) bc – ad > 0
aniket anil mandavkar , 14 Years ago
Grade 12
