CMR :
\(\frac{1.2-1}{2!}+\frac{2.3-1}{3!}+\frac{3.4-1}{4!}+....+\frac{99.100-1}{100!}< 2\)
CMR: \(\frac{1.2-1}{2!}+\frac{2.3-1}{3!}+\frac{3.4-1}{4!}+...+\frac{99.100-1}{100!}
CMR: \(\frac{1.2-1}{2!}+\frac{2.3-1}{3!}+\frac{3.4-1}{4!}+....+\frac{99.100-1}{100!}<2\)
chứng minh 1.2-1/2!+2.3-1/3!+3.4-1/4!...+99.100-1/100!<2
Chứng minh rằng 1.2-1/2! + 2.3-1/3! + 3.4-1?4! +...+ 99.100-1/100! <2
HÃY CHỨNG MINH
d,1.2-1/2!+2.3-1/3! +3.4-1/4! + ....+99.100-1/100! <2
\(\frac{1.2-1}{2!}+\frac{2.3-1}{3!}+\frac{3.4-1}{4!}+...+\frac{99.100-1}{100!} \)Chứng minh:<2
Chứng minh rằng:
\(\frac{1.2-1}{2!}+\frac{2.3-1}{3!}+\frac{3.4-1}{4!}+...+\frac{99.100-1}{100!}<2\)