# Set Operations

• Sep 26th 2010, 03:57 PM
ilovemymath
Set Operations
Find the sets A and B if A-B={1,5,7,8},B-A={2.10}. and A ∩ B={3.6.9}.
• Sep 26th 2010, 04:04 PM
Plato
Quote:

Originally Posted by ilovemymath
Find the sets A and B if A-B={1,5,7,8},B-A={2.10}. and A ∩ B={3.6.9}.

Hint: $X=(X\setminus Y)\cup(X\cap Y).$