If `z` is a complex number satisfying `z^4+z^3+2z^2+z+1=0` then the set of possible values of `z` is

If z a complex number satisfying |z^(3)+z^(-3)|le2 , then the maximum possible value of |z+z^(-1)| is -

z is a complex number satisfying z^(4)+z^(3)+2z^(2)+z+1=0 , then |z| is equal to

If z is a complex number satisfying the equaiton z^(6) - 6z^(3) + 25 = 0 , then the value of |z| is

If z is a complex number satisfying ∣ z + 16 ∣ = 4 | z+1 | , then the minimum value of | z | is

If z is a complex number satisfying |z^(2)+1|=4|z| , then the minimum value of |z| is

Let z be a complex number satisfying |z+16|=4|z+1| . Then

If z is a complex number satisfying |z|^(2)-|z|-2 lt 0 , then the value of |z^(2)+zsintheta| , for all values of theta , is

The complex number z satisfying z+|z|=1+zi then the value of |z|^(2) is

If z is a complex number satisfying z+z^(-1)=1 then z^(n)+z^(-n),n in N, has the value