general term通項
2017/06/24 18:56
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general term通項
發問:
3 , 6 , 12 , 24 , 48 , ... 找出general term 條式!!同解釋返點解!! 最好用中文解釋!! G E 2 , 4 , 6 , 8 , 10 , ... The general term = 2n
最佳解答:
1st term = 3 = 3 x 1 = 3 x 2^0 2nd term = 6 = 3 x 2^1 3rd term =12 = 3 x 2 x 2 = 3 x 2^2 4th term = 24 = 3 x 2 x 2 x 2 = 3 x 2^3 5th term = 48 = 3 x 2 x 2 x 2 x 2 = 3 x 2^4. So general term, the nth term = 3 x 2^(n-1).
general term通項
發問:
3 , 6 , 12 , 24 , 48 , ... 找出general term 條式!!同解釋返點解!! 最好用中文解釋!! G E 2 , 4 , 6 , 8 , 10 , ... The general term = 2n
最佳解答:
1st term = 3 = 3 x 1 = 3 x 2^0 2nd term = 6 = 3 x 2^1 3rd term =12 = 3 x 2 x 2 = 3 x 2^2 4th term = 24 = 3 x 2 x 2 x 2 = 3 x 2^3 5th term = 48 = 3 x 2 x 2 x 2 x 2 = 3 x 2^4. So general term, the nth term = 3 x 2^(n-1).
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