How can I solve x^4-1=0

I want to write that and code it in matlab

Answer 1

[Yusuf Suer Erdem]

syms x
eqn=x^4-1==0
s=solve(eqn)

[John D'Errico]

Please do not do obvious homework assignments for students. It does not help the student, except to teach them they can often find someone willing to do their work for them.

Answer 2

[Sean de Wolski]

x = 1

[John D'Errico]

Nah. I'm sure is -1.

[James Tursa]

i imagine it is something else (pun intended)

Answer 3

[James Tursa]

doc roots