cho \(A=1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+....+\frac{1}{4026},B=1+\frac{1}{3}+\frac{1}{5}+...+\frac{1}{4025}\)so sanh \(\frac{A}{B}\)voi \(1\frac{2013}{2014}\)
Cho A= \(1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+.....+\frac{1}{4026}\)
B= \(1+\frac{1}{3}+\frac{1}{5}+\frac{1}{7}+.....+\frac{1}{4025}\)
So sánh \(\frac{A}{B}\)và \(1\frac{2013}{2014}\)
Cho A=\(1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+...+\frac{1}{4026}\)
B=\(1+\frac{1}{3}+\frac{1}{5}+\frac{1}{7}+...+\frac{1}{4025}\)
So sánh \(\frac{A}{B}\) và \(1\frac{2013}{2014}\)
Cho A=\(1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+...+\frac{1}{4026}\); B=\(1+\frac{1}{3}+\frac{1}{5}+\frac{1}{7}+...+\frac{1}{4025}\)
So sánh \(\frac{A}{B}\)với \(1\frac{2013}{2014}\)
Cho A=\(1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+...+\frac{1}{4026}\)
B=\(1+\frac{1}{3}+\frac{1}{5}+\frac{1}{7}+...+\frac{1}{4025}\)
So sánh \(\frac{A}{B}\)với 1\(\frac{2013}{2014}\)
1)\(A=\frac{1}{2}-\frac{3}{4}+\frac{5}{6}-\frac{7}{8}+...+\frac{197}{198}-\frac{199}{200}\)
\(B=\frac{1}{51}+\frac{1}{52}+...+\frac{1}{100}\)
tính B:A
2)\(A=1+\frac{1}{2}+\frac{1}{3}+..+\frac{1}{4026}\)
\(B=1+\frac{1}{3}+\frac{1}{5}+...+\frac{1}{4025}\)
So sánh \(\frac{A}{B}và1\frac{2013}{2014}\)
cho A = 1 +\(\frac{1}{2}\)+ \(\frac{1}{3}+\frac{1}{4}\) + ... + \(\frac{1}{4026}\)
B = 1+ \(\frac{1}{3}+\frac{1}{4}\)+ .... + \(\frac{1}{4025}\). So sánh \(\frac{A}{B}\)với \(1\frac{2013}{2014}\)
(\(1+\frac{1}{2}+\frac{1}{3}+...+\frac{1}{2013}\) ) \(.x+2013=\frac{2014}{1}+\frac{2015}{2}+...+\frac{4025}{2012}+\frac{4026}{2013}\)
Cho A= 1+ \(\frac{1}{2}\)+ \(\frac{1}{3}\)+ \(\frac{1}{4}\)+...+ \(\frac{1}{4026}\).
B= 1+ \(\frac{1}{3}\)+ \(\frac{1}{5}\)+ \(\frac{1}{7}\)+...+ \(\frac{1}{4025}\).
So sánh: \(\frac{A}{B}\) và 1\(\frac{2013}{2014}\).