1.

If a,b,c are real numbers such that (3a+2b)/(c+d) +( 3)/( 2) = 0then the equation ax^(3) + bx^(2) + cx + d = 0has

Answer»

at least ONE ROOT in [-2,0]
at least one root in [0,2]
at least TWO roots in [-2,2]
No root in [-2,2]

Answer :B


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