单选题
If s1, s2, s3…is the sequence such that sn
for all positive integers n, then the product of the first 10 terms of this sequence is
for all positive integers n, then the product of the first 10 terms of this sequence is
【正确答案】
B
【答案解析】[解析] 由通项公式可知此数列的首项为[*]，第十项为[*]，该数列的每一项的分子都等于前一项的分母，因此在相乘时都可约去，最后乘积的结果是首项的分子除以最后一项的分母，所以该数列前十项的乘积是[*]。