IB MAI HL Number and Algebra Topic 1.2 Sequences & Series (id: fef8ef07b)

本题目来源于试卷: IB MAI HL Number and Algebra Topic 1.2 Sequences & Series，类别为 IB数学

[填空题]
The table shows the fiuyvq1 1)z)yjddhw7b*/7 zrvn (l bh(i rud nxkh f: xg6bbh,fj+71 ,w5lst four terms of three sequences: $u_n$ , $v_n$ , and $w_n$.

1.State which sequence is
1.1.arithmetic is  ----待选择----$u_n$$v_n$$w_n$ ;

1.2.geometric is  ----待选择----$u_n$$v_n$$w_n$ .

2.Find the sum of the first 50 terms of the arithmetic sequence.
$S_{50}$=  .
3.Find the exact value of the 13th term of the geometric sequence

$W_{13}$=  .

参考答案:
空格1: $v_n$  空格2: $w_n$  空格3: 15300  空格4: 49152 


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