# If two of the zeros of the cubic polynomial ax3 + bx2 + cx + d are each equal to zero, then the third zero isA. B. C. D.

Given,

ax3 + bx2 + cx + d

By Putting x = 0

0 + d = 0

d = 0

ax3 + bx2 + cx + d = 0

x(ax2 + bx + c) = 0

Put x = 0

c = 0

ax2 + bx = 0

x(ax + b) = 0

Hence,

x = – b/a

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Champ Quiz |Revealing the relation Between Zero and Coefficients38 mins
Relation Between zeroes and Coefficients46 mins
Interactive Quiz - Geometrical Meaning of the Zeroes32 mins
Relationship between Zeroes and Coefficients-238 mins
Quiz - Division Algorithm38 mins
Relationship between Zeroes and Coefficients-152 mins
Interactive Quiz:Polynomials43 mins
Division Algorithm-130 mins
Relation b/w The Zeroes and Coefficients of Cubic Polynomials54 mins
Revision of Relation Between the Zeroes and Coefficients of Quadratic Polynomial46 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses