摘要:已知以a为首项的数列满足:
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(理)已知以a为首项的数列{an}满足:an+1=
(1)若0<an≤6,求证:0<an+1≤6;
(2)若a,k∈N﹡,求使an+k=an对任意正整数n都成立的k与a;
(3)若a=
(m∈N﹡),试求数列{an}的前4m+2项的和s4m+2.
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(1)若0<an≤6,求证:0<an+1≤6;
(2)若a,k∈N﹡,求使an+k=an对任意正整数n都成立的k与a;
(3)若a=
| 3 |
| 2m-1 |
(文)已知以a为首项的数列{an}满足:an+1=
(1)若0<an≤6,求证:0<an+1≤6;
(2)若a,k∈N﹡,求使an+k=an对任意正整数n都成立的k与a;
(3)若a=
(m∈N﹡),试求数列{an}的前m项的和sm.
查看习题详情和答案>>
|
(1)若0<an≤6,求证:0<an+1≤6;
(2)若a,k∈N﹡,求使an+k=an对任意正整数n都成立的k与a;
(3)若a=
| 3 |
| 2m-1 |
(理)已知以a为首项的数列{an}满足:
(1)若0<an≤6,求证:0<an+1≤6;
(2)若a,k∈N﹡,求使an+k=an对任意正整数n都成立的k与a;
(3)若
(m∈N﹡),试求数列{an}的前4m+2项的和s4m+2.
查看习题详情和答案>>
(1)若0<an≤6,求证:0<an+1≤6;
(2)若a,k∈N﹡,求使an+k=an对任意正整数n都成立的k与a;
(3)若
查看习题详情和答案>>