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已知等差数列{an}的公差d大于0,且a2,a5是方程x2-12x+27=0的两根,数列{...
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已知等差数列{a
n}的公差d大于0,且a
2,a
5是方程x
2-12x+27=0的两根,数列{b
n}的前n项和为T
n,且
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A3gK/v0Ar7RddzGAp+DeW44fwJNQl4tGxFMt1dm6AXxngFLVGcBTLdXZugF8Z4BS1XkV8KuAdk/e
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OjayvZTG0pOhL0NFJX3p5aNaLOAWbq748kajZzpWTgBbqMg5A0tRjIiX4EPutEYtMi5H3PK1nP48
qr4eo2O5dfROOvCqD5VjQpM7wbg/GfE10fgUHWtR5wAfviHiDT8ayEk8ou7t2zN0JJriYhkx4qP+
usnryTYKhG1yTSv6DB1bWY0GfAQ0PplqJVLZOclI1rzVIp/2AB3JuhAWkoCPgbbDkF/J8cFwxn0I
wvvg4td1JGDJWkICnnXiWPwICwzgHwFTeyEH8O1t+ogTB/CPgKm9kH+GX3UZJREhewAAAABJRU5E
rkJggg==
)
.
(Ⅰ)求数列{a
n}、{b
n}的通项公式;
(Ⅱ)记c
n=a
nb
n,求数列{c
n}中的最大项.
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已知等差数列{an}的公差大于0,且a2,a5是方程x2-12x+27=0的两根,数列{bn}的前n项和为Sn,且Sn=
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