Let m and n be any integers that are greater than or equal
Chapter 5, Problem 35E(choose chapter or problem)
Problem 35E
Let m and n be any integers that are greater than or equal to 1.
a. Prove that a necessary condition for an m × n checkerboard to be completely coverable by L-shaped trominoes is that mn be divisible by 3.
b. Prove that having mn be divisible by 3 is not a sufficient condition for an m × n checkerboard to be completely coverable by L-shaped trominoes.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer