2000002604

SubArea: 
Powers and roots of complex numbers
Level: 
B
Project ID: 
2000002604
Accepted: 
0
Clonable: 
0
Easy: 
1
Find the solution set of the equation x4+81=0 if you know that one of its roots is 32(1+i).
{32(1+i);−32(1+i);32(1−i);−32(1−i)}
{32(1+i);−32(1+i);3;−3}
{32(1+i);32(1−i);3i;−3i}
{32(1+i);32(1−i)}