ai tra loi dung minh se k3
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ai tra loi dung minh se k3
Tính:
B=1-1/2+1/4-1/8+1/16-...+1/1024
B=1/4+1/16+1/64+.......+1/1024
1/2+1/4+1/8+1/16+...+1/1024
1/2+1/4+1/8+...+1/512+1/1024
1/2 + 1/4 + 1/8 + 1/16 +.....+ 1/1024 =?
1/2+1/4+1/8+...+1/512+1/1024
A=1/2+1/4+1/8+...+1/512+1/1024
A = 1/2 + 1/4 + 1/8 +...+ 1/512 + 1/1024
a=1/2+1/4+1/8 . . . +1/512+1/1024.