[†]Xiaŋz
13-05-2009, 09:59 AM
Tính:
1) [Only registered and activated users can see links] to%20%5Cinfty%20%7D%20%5Cfrac%7B%7B1%20-%202%20+%203%20-%204%20+%20..%20+%20%28%20-%202n%29%7D%7D%7B%7B%5Csqrt%20%7Bn_%7B%7D%5E2%20+% 201%7D%20%7D%7D%3Cbr%20/%3E
2) [Only registered and activated users can see links] to%20%5Cinfty%20%7D%20%5Csqrt%5Bn%5D%7B%7B1_%7B%7D %5E2%20+%202_%7B%7D%5E2%20+%203_%7B%7D%5E2%20+%20. ..%20+%20n_%7B%7D%5E2%7D%7D
3) [Only registered and activated users can see links] 20%5Cinfty%20%7D%20%5Cfrac%7B1%7D%7B%7B%5Csqrt%20n %20%7D%7D%28%5Cfrac%7B1%7D%7B%7B%5Csqrt%201%20%20+ %20%5Csqrt%203%20%7D%7D%20+%20%5Cfrac%7B1%7D%7B%7B %5Csqrt%203%20%20+%20%5Csqrt%205%20%7D%7D%20+%20.. .%20+%20%5Cfrac%7B1%7D%7B%7B%5Csqrt%20%7B2n%20-%201%7D%20%20+%20%5Csqrt%20%7B2n%20+%201%7D%20%7D% 7D%29.
4) [Only registered and activated users can see links] 20%5Cinfty%20%7D%20%28%5Cfrac%7B1%7D%7B%7Bn_%7B%7D %5E2%20+%201%7D%7D%20+%20%5Cfrac%7B2%7D%7B%7Bn_%7B %7D%5E2%20+%202%7D%7D%20+%20...%20+%20%5Cfrac%7Bn% 7D%7B%7Bn_%7B%7D%5E2%20+%20n%7D%7D%29.
5) [Only registered and activated users can see links] to%20%5Cinfty%20%7D%20%28%5Cfrac%7Bn%7D%7B%7Bn_%7B %7D%5E3%20+%201%7D%7D%20+%20%5Cfrac%7B%7B2n%7D%7D% 7B%7Bn_%7B%7D%5E3%20+%202%7D%7D%20+%20...%20+%20%5 Cfrac%7B%7Bnn%7D%7D%7B%7Bn_%7B%7D%5E3%20+%20n%7D%7 D%29.
6)[Only registered and activated users can see links] %5Cto%20%5Cinfty%20%7D%20%28%5Csqrt%202%20%20-%20%5Csqrt%5B3%5D%7B2%7D%29%28%5Csqrt%5B%7B%7D%5D% 7B2%7D%20-%20%5Csqrt%5B5%5D%7B2%7D%29...%28%5Csqrt%5B%7B%7D% 5D%7B2%7D%20-%20%5Csqrt%5B%7B2n%20+%201%7D%5D%7B2%7D%29..
7) [Only registered and activated users can see links] to%20%5Cinfty%20%7D%20%28%5Cfrac%7B1%7D%7B%7B1.2.3 %7D%7D%20+%20%5Cfrac%7B1%7D%7B%7B2.3.4%7D%7D%20+%2 0...%20+%20%5Cfrac%7B1%7D%7B%7Bn%28n%20+%201%29%28 n%20+%202%29%7D%7D%29..
8) [Only registered and activated users can see links] 20%5Cinfty%20%7D%20%281%20-%20%5Cfrac%7B2%7D%7B%7B2.3%7D%7D%29%281%20-%20%5Cfrac%7B2%7D%7B%7B3.4%7D%7D%29...%281%20-%20%5Cfrac%7B2%7D%7B%7B%28n%20+%201%29%28n%20+%202 %29%7D%7D%29.
9) [Only registered and activated users can see links] 20%5Cinfty%20%7D%20%5Csqrt%5Bn%5D%7B%7B2%5Csin%20_ %7B%7D%5E2%5Cfrac%7B%7Bn_%7B%7D%5E%7B1999%7D%7D%7D %7B%7Bn%20+%201%7D%7D%20+%20%5Ccos%20_%7B%7D%5E2%5 Cfrac%7B%7Bn_%7B%7D%5E%7B1999%7D%7D%7D%7B%7Bn%20+% 201%7D%7D%7D%7D..
10)[Only registered and activated users can see links] to%20%5Cinfty%20%7D%20%5Csum%5Climits_%7Bk%20=%201 %7D%5En%20%7B%28%5Csqrt%20%7B1%20+%20%5Cfrac%7Bk%7 D%7B%7Bn_%7B%7D%5E2%7D%7D%7D%20%7D%20%20-%201%29.
1) [Only registered and activated users can see links] to%20%5Cinfty%20%7D%20%5Cfrac%7B%7B1%20-%202%20+%203%20-%204%20+%20..%20+%20%28%20-%202n%29%7D%7D%7B%7B%5Csqrt%20%7Bn_%7B%7D%5E2%20+% 201%7D%20%7D%7D%3Cbr%20/%3E
2) [Only registered and activated users can see links] to%20%5Cinfty%20%7D%20%5Csqrt%5Bn%5D%7B%7B1_%7B%7D %5E2%20+%202_%7B%7D%5E2%20+%203_%7B%7D%5E2%20+%20. ..%20+%20n_%7B%7D%5E2%7D%7D
3) [Only registered and activated users can see links] 20%5Cinfty%20%7D%20%5Cfrac%7B1%7D%7B%7B%5Csqrt%20n %20%7D%7D%28%5Cfrac%7B1%7D%7B%7B%5Csqrt%201%20%20+ %20%5Csqrt%203%20%7D%7D%20+%20%5Cfrac%7B1%7D%7B%7B %5Csqrt%203%20%20+%20%5Csqrt%205%20%7D%7D%20+%20.. .%20+%20%5Cfrac%7B1%7D%7B%7B%5Csqrt%20%7B2n%20-%201%7D%20%20+%20%5Csqrt%20%7B2n%20+%201%7D%20%7D% 7D%29.
4) [Only registered and activated users can see links] 20%5Cinfty%20%7D%20%28%5Cfrac%7B1%7D%7B%7Bn_%7B%7D %5E2%20+%201%7D%7D%20+%20%5Cfrac%7B2%7D%7B%7Bn_%7B %7D%5E2%20+%202%7D%7D%20+%20...%20+%20%5Cfrac%7Bn% 7D%7B%7Bn_%7B%7D%5E2%20+%20n%7D%7D%29.
5) [Only registered and activated users can see links] to%20%5Cinfty%20%7D%20%28%5Cfrac%7Bn%7D%7B%7Bn_%7B %7D%5E3%20+%201%7D%7D%20+%20%5Cfrac%7B%7B2n%7D%7D% 7B%7Bn_%7B%7D%5E3%20+%202%7D%7D%20+%20...%20+%20%5 Cfrac%7B%7Bnn%7D%7D%7B%7Bn_%7B%7D%5E3%20+%20n%7D%7 D%29.
6)[Only registered and activated users can see links] %5Cto%20%5Cinfty%20%7D%20%28%5Csqrt%202%20%20-%20%5Csqrt%5B3%5D%7B2%7D%29%28%5Csqrt%5B%7B%7D%5D% 7B2%7D%20-%20%5Csqrt%5B5%5D%7B2%7D%29...%28%5Csqrt%5B%7B%7D% 5D%7B2%7D%20-%20%5Csqrt%5B%7B2n%20+%201%7D%5D%7B2%7D%29..
7) [Only registered and activated users can see links] to%20%5Cinfty%20%7D%20%28%5Cfrac%7B1%7D%7B%7B1.2.3 %7D%7D%20+%20%5Cfrac%7B1%7D%7B%7B2.3.4%7D%7D%20+%2 0...%20+%20%5Cfrac%7B1%7D%7B%7Bn%28n%20+%201%29%28 n%20+%202%29%7D%7D%29..
8) [Only registered and activated users can see links] 20%5Cinfty%20%7D%20%281%20-%20%5Cfrac%7B2%7D%7B%7B2.3%7D%7D%29%281%20-%20%5Cfrac%7B2%7D%7B%7B3.4%7D%7D%29...%281%20-%20%5Cfrac%7B2%7D%7B%7B%28n%20+%201%29%28n%20+%202 %29%7D%7D%29.
9) [Only registered and activated users can see links] 20%5Cinfty%20%7D%20%5Csqrt%5Bn%5D%7B%7B2%5Csin%20_ %7B%7D%5E2%5Cfrac%7B%7Bn_%7B%7D%5E%7B1999%7D%7D%7D %7B%7Bn%20+%201%7D%7D%20+%20%5Ccos%20_%7B%7D%5E2%5 Cfrac%7B%7Bn_%7B%7D%5E%7B1999%7D%7D%7D%7B%7Bn%20+% 201%7D%7D%7D%7D..
10)[Only registered and activated users can see links] to%20%5Cinfty%20%7D%20%5Csum%5Climits_%7Bk%20=%201 %7D%5En%20%7B%28%5Csqrt%20%7B1%20+%20%5Cfrac%7Bk%7 D%7B%7Bn_%7B%7D%5E2%7D%7D%7D%20%7D%20%20-%201%29.