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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

Grade:12

1 Answers

bhanuveer danduboyina
95 Points
10 years ago

D) bc – ad > 0

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