Given the universal set = {−7,−3,−1,0,5,6,8,9},B={x:−4<x<6} then B′ is
Given the universal set = {−7,−3,−1,0,5,6,8,9}, find :
Given the universal set = {−7,−3,−1,0,5,6,8,9},A={x:x<2} then A′ is