cho A= 1/4 + 1/9 + 1/16 +......+1/81 + 1/100 . Chứng tỏ rằng : A>65/132
Cho A=1/4+1/9+1/16+.....+1/81+1/100.
Chứng tỏ A>65/132
Cho A = 1/4 + 1/9 + 1/16 + ... + 1/81 + 1/100. Chứng tỏ rằng A > 65/132
Cho A=1/4+1/9+1/16+....+1/81+1/100.Chứng tỏ rằng:A>65/132
Cho A = 1/4+1/9+1/16+...+1/81+1/100
CHỨNG TỎ RẰNG. A>65/132
A= 1/4+1/9+1/16+...+1/81+1/100.Chung to A>65/132
Cho A=1/4+1/9+1/16+...........+1/81+1/100 Chứng tỏ A>65/132
CMR: A > \(\frac{65}{132}\)
A = \(\frac{1}{4}+\frac{1}{9}+\frac{1}{16}+...+\frac{1}{81}+\frac{1}{100}\)
Giúp mình với
A=1/4+1/9+1/16+.....+1/81+1/100
CMR:A>65/132