Question
Find all roots of f(x)=x³-7x²+20x+14 in ℤ and ℚ
Answers
drwls
What do you mean by "in Z and Q?"
Do you want the values of x for which f(x) = 0?
The only real root of f(x) = 0 is
-0.5748455821794285
There are two complex roots
3.7874227910897145 +/- 3.163826025580645 i
I used an online cubic solver.
Do you want the values of x for which f(x) = 0?
The only real root of f(x) = 0 is
-0.5748455821794285
There are two complex roots
3.7874227910897145 +/- 3.163826025580645 i
I used an online cubic solver.