Các câu hỏi tương tự
A=(1+1/2015)×(1+1/2015^2)+...+(1+1/2015^2016)
So sanh voi B=2015^2-1/2014^2-1
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
Cho tong T=2/2^1+3/2^2+4/2^3 +...+2016/2^2015+2017/2^2016.So sanh T voi 3
a, x+1/2017 + x+2/2016 = x+3/2015 + x+4/2014
Mong cac ban giai giup minh voi
Cho tong T=2/2^1+3/2^2+4/2^3 +...+2016/2^2015+2017/2^2016.So sanh T voi 3
ai trả lời được mình tik 3 nick luôn
C= (1/2015+2015/2016)-(1/2017-2014/2015)-(2016/2017-1/2016)
Tinh C.
Giai dum minh voi
Tinh A= 2014/2015+2015/2016+2016/2017+2017/2014 hay so sanh A voi 4
Cho M=1+1/2+1/2^2+...+1/2^2015+1/2^2016. so sanh M voi 2
So sanh
A=2015^2015 + 1/ 2016^2016 + 1
B=2015^2014 + 1/ 2015^2015 + 1