Question

Let A = {1, 2} and let B = {3, 4, 5}. Find A X B.

{1, 2, 3, 4, 5}
{(1, 3), (1, 4), (1, 5), (2, 3), (2, 4), (2, 5)}
{ }
{1, 2}

Answer 1

\[\large \bf A \times B=Cartesian~Product\]

Answer 2

so,
\[\large \bf ({1,2}) \times ({3,4,5})=(1,3),(1,4),(1,5),(2, 3), (2, 4), (2, 5)\]

Answer 3

http://en.wikipedia.org/wiki/Cartesian_product
http://www.princeton.edu/~achaney/tmve/wiki100k/docs/Cartesian_product.html

Answer 4

hope you understand. @kaylamarie081