关于数列的数学难题设{an}是由正数组成的等差数列,{bn}是由正数组成的等比数列,且a1=b1,若存在某个自然数m使得
关于数列的数学难题设{an}是由正数组成的等差数列,{bn}是由正数组成的等比数列,且a1=b1,若存在某个自然数m使得
数列题,已知数列{an}的是由正数组成的等比数列,a3=8,前三项的和S3=14,已知数列{bn}满足(b1/a1)+(
关于数学数列习题提问1 设an是等差数列,bn是各项都为正数的等比数列且a1=b1=1,a3+a5=21,a5+b3=1
设数列{an}是等差数列,{bn}为各项都为正数的等比数列.且a1=b1=1,a3+b5=21,a5+b3=13.
设{an}是等差数列,{bn}是各项都为正数的等比数列且a1=b1=1,a3+b5=21,a5+b3=13.求{an},
设{an}是等差数列 {bn}是各项都为正数的等比数列,且a1=b1=1,a2+b3=a3+b2=7 (1)求{an},
设{an}是等差数列,{bn}是各项都为正数的等比数列且a1=b1=1,a3+b5=21,a5+a3=13.求[an},
设{an}是等差数列,{bn}是各项都为正数的等比数列且a1=b1=1,a3+b5=21,a5+b3=13.求[an},
设{an}是等差数列,{bn}是各项都为正数的等比数列,且a1=b1=1,a3+b5=21,a5+b3=13,求{an}
设{an}是等差数列,{bn}是各项都为正数的等比数列且a1=b1=1,a3+b5=21,a5+b3=13.
设an是等差数列,bn是各项都为正数的等比数列,且a1=b1=1,a5+b3=13 a3+b5=21
设{an}是等差数列,{bn}是各项都为正数的等比数列,且a1=b1=1,a3+b5=21,a5+b3=13