For any real numbers a1, a2, a3, we must have that one of the numbers is less than or equal to the average (a1+a2+a3)/3.
Should I start by assuming the contra positive? Very confused.
jameshl2008 wrote:For any real numbers a1, a2, a3, we must have that one of the numbers is less than or equal to the average (a1+a2+a3)/3.
Should I start by assuming the contra positive? Very confused.