2009 · Q75
If the HCF of x 3 – 27 and x 3 + 4x 2 + 12x + k is quadratic polynomial, then what is the value of k?
Elementary MathematicsAlgebra
- A27
- B9
- C3
- D– 3
Explanation
x²+3x+9 must divide the cubic; gives k = 9.
If the HCF of x 3 – 27 and x 3 + 4x 2 + 12x + k is quadratic polynomial, then what is the value of k?
Explanation
x²+3x+9 must divide the cubic; gives k = 9.