Apply the Rational Root Theorem for possible roots.
http://en.wikipedia.org/wiki/Rational_root
_theorem
It te;;s you that the possible roots are
+/- 1,2,5 and 10
None of them work.
Therefore there are no rational roots.
List the possible rational roots of the following equation x^4+3x^2-8x+10=0
1 answer
1 answer