PART ONE

a. Factorize: px - 2qx - 4qy + 2py

b. Given that the universal set U = {1,2,3,4,5,6,7,8,9,10}, P = {1,2,4,6,10} and Q = {2,3,6,9}. Show that (P ∪ Q)\(^I\) = P\(^I\) ∩ Q\(^I\).