Tell whether these sets are compact closed perfect or bounde

Tell whether these sets are compact? closed? perfect? or bounded? Answer all the correct attribute

1.The set of algebratic complex numbers z for which |z|<3

2.The subset of R2 consisting of those (x,y) for which at least one of x and y is irrational.

Solution

1. Set of complex numbers Z for which |Z|<3

2. The subset of R2 consisting of those (x,y) for which at least one of the x and y is irrational.