U= set of all teachers in a school B= Set of all Mathematics teachers in a school So B’=?
set of all non science teachers
Set of all science teachers
set of all non mathematics teachers
set of all language teachers
B’={x| x∈ U and x ∉B}= set of all non mathematics teachers.
U = set of all triangles A = set of all equilateral triangles So, Ac = ?
A = set of all triangles B = set of all right triangles A - B=?
If U, the universal set, is the set of all students of a school which are in classes from I to X and B = set of all students of class X.
What is B'?