a = 2015 x 20162016
A = 2015 x 10001 x 2016
B = 2016 x 20152015
B = 2016 x 10001 x 2015
=> A = B
a = 2015 x 20162016
A = 2015 x 10001 x 2016
B = 2016 x 20152015
B = 2016 x 10001 x 2015
=> A = B
So sanh A=2016^2016+1/2016^2017+1 va B=2016^2015+1/2016^2015+1
so sanh
A = 2016^2 va B = 2017 . 2015
so sanh a=2004^2016+1/2004^2015+1 va b=2004^2015+1/2004^2014+1
ko quy dong mau so hay so sanh: A=-9/10^2015+-19/10^2016 va -9/10^2016+-19/10^2015
Bai 8
a) A=92016+14/ 92015+1 va B=92017+14 / 92016+1
a) so sanh A va B
so sanh (20^2015+11^2015)^2016 va (20^2016+11^2016)^2015
A=\(\frac{2014+2015}{2016+2017}\) va B=\(\frac{2014}{2016}\)+\(\frac{2015}{2017}\) SO SANH A VA B
a. So sanh 2 phan so:A= 2015/2016+2016/2017+2017/2018 va B = 2015+2016+2017/2016+2017+2018
b.1/2.4+1/4.6+........+1/(2x-2).2x = 1/8
c.Cho A = 1/4+1/9+1/16+...+1/81+1/100 . Chung minh rang : A > 65/132
d.Cho B = 12/(2 . 4 ) ^ 2 + 20/ (4 . 6) ^2 + ...........+ 388/ ( 96 . 98 ) ^ 2 + 396/ ( 98 . 100 ) ^2 .Hay so sanh B voi 1 /4
2015/-2014 va -2016/2015 . So sanh]