المصدر: help me في منتدى : قسم الرياضيات اسم الكتاب introduction to real analysis by robert bartel 3ed edtion اريد حل الكتاب
if A and B are connected subsets of R^p, give examples to show that A U B, A intersection B, A\B can be either connected or disconnected? ?help me to answer this equesation