2009 *2010=4038090
2010 ^ 2 = 4040100
Vì 4038090 < 4040100 nên 2009 * 2010 < 2010 ^ 2
2009 *2010=4038090
2010 ^ 2 = 4040100
Vì 4038090 < 4040100 nên 2009 * 2010 < 2010 ^ 2
Bài 2 : So sánh
A=2008/2009+2009+2010+2010+2011 và B=2008+20092+2010/2009+2010+2011
\(B=\frac{2009-\frac{2009}{2001}-\frac{2009}{2002}-\frac{2009}{2003}-\frac{2009}{2004}}{2010-\frac{2010}{2001}-\frac{2010}{2002}-\frac{2010}{2003}-\frac{2010}{2004}}:\frac{2009-\frac{2009}{2005}-\frac{2009}{2006}-\frac{2009}{2007}-\frac{2009}{2008}}{2010-\frac{2010}{2005}-\frac{2010}{2006}-\frac{2010}{2007}-\frac{2010}{2008}}\)
Bài 2 : So sánh
\(A=\dfrac{2008}{2009}+\dfrac{2009}{2010}+\dfrac{2010}{2011}vàB=\dfrac{2008+2009+2010}{2009+2010+2011}\)
So sanh :2009^2009+1/2009^2010+1 va 2009^2010-2/2009^2011-2
so sánh
A=\(\frac{2009^{2009}+1}{2009^{2010}+1}\)
B=\(\frac{2009^{2010}-2}{2009^{2010}-2}\)
so sanh: A=2009^2009+1/2009^2010+1 và B=2009^2010-2/2009^2011-2
So sánh A=2009^2009+1/2009^2010+1 và B=2009^2010-2/2009^2011-2
So sánh : M = 2009^2009 + 1 / 2009^2010 + 1 và N = 2009^2010 - 2 / 2009^2011 - 2
So sánh: A=2009^2009+1/2009^2010+1 và B=2009^2010-2/2009^2011-2