SOLUTION: If one of the zeros of y=x^3+bx+1 is 1, determine the value of b. then solve x^3+bx+1=0 express your answer as exect values.
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Question 308790: If one of the zeros of y=x^3+bx+1 is 1, determine the value of b. then solve x^3+bx+1=0 express your answer as exect values.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
.
.
.
Then solve for
The first multiplier would be and yield .
Subtracting from the polynomial,
The second multiplier would be and yield
The final multiplier would be and yield
So then,
Use the quadratic formula to solve for these roots.
The three roots of are then
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