Posted by **Shin** on Tuesday, May 21, 2013 at 11:08am.

f(x)=x^4+ax^3+bx^2+cx+d and has real coefficients. If two of the roots are 4−i and 2+3i, what is the value of a+b+c+d?

## Answer this Question

## Related Questions

- math - The function f(x)=x4−15x3+81x2−201x+182 has four complex ...
- Algebra - The function f(x)=x^4−10x^3+40x^2−80x+64 has four complex ...
- Maths - The function f(x)=x^4−15(x^3)+81(x^2)−201x+182 has four ...
- Math - A polynomial function f(x) has degree 6 and has real coefficients. It is ...
- algebra - Determine the value(s) of k for which x^2+(k-2)x-2k=0 has equal and ...
- Math (Algebra) - If f(x) is a polynomial with real coefficients such that f(7+5i...
- Calculus - By applying Rolle's theorem, check whether it is possible that the ...
- Pre-Calc/Trig... - Helpp needed, this is sort of confusing me. Describe the ...
- maths2 - Use the discriminant to determine the number of real roots the equation...
- mathematics - Use the discriminant to determine the number of real roots the ...

More Related Questions