/ ____________\ / ____________\ / ______________\ / ______________\ | / ____ | | / ____ | | / ____ | | / ____ | | / 1 \/ 17 | | / 1 \/ 17 | | / 1 \/ 17 | | / 1 \/ 17 | |x + I* / - + ------ |*|x - I* / - + ------ |*|x + / - - + ------ |*|x - / - - + ------ | \ \/ 2 2 / \ \/ 2 2 / \ \/ 2 2 / \ \/ 2 2 /
(((x + i*sqrt(1/2 + sqrt(17)/2))*(x - i*sqrt(1/2 + sqrt(17)/2)))*(x + sqrt(-1/2 + sqrt(17)/2)))*(x - sqrt(-1/2 + sqrt(17)/2))