摆动数列的通项公式数列:a1=t,a2=2t,a3=3t,a4=2t,a5=3t,a6=4t,a7=3t,a8=4t,a
摆动数列的通项公式数列:a1=t,a2=2t,a3=3t,a4=2t,a5=3t,a6=4t,a7=3t,a8=4t,a
求摆动数列的通项公式数列:a1=t,a2=2t,a3=3t,a4=2t,a5=3t,a6=4t,a7=3t,a8=4t,
数列an的前n项和为Sn,a1=t,2a(n+1)=-3Sn+4 求a2,a3 t为何值an等比
设T={a1,a2,a3,a4,a5,a6,a7,a8}是6维向量组,证明:T中至少有两个向量可由其余向量线性表出
向量组a1=(0,4,2-t),a2=(2,3-t,1),a3=(1-t,2,3)线性相关,则t=?
问t取何值时,向量组a1=(0,4,2-t),a2=(2,3-t,1),a3=(1-t,2,3)线性相关?
设数列ai>0.且a1+a2+a3+a4+a5+a6+a7+a8+a9+a10=30,a1*a2*a3*a4*a5*a6
求向量组a1=(-1,2,2)^T,a2=(2,-1,2)^T,a3=(2,2,-1)^T,a4=(1,7,-2)^T的
等比数列,a1+a2+a3=6,a2+a3+a4=3,求a3+a4+a5+a6+a7+a8=?
线性代数向量问题设向量a1=(1 1 0)T.a2=(5 3 2)T a3=(1 3 -1)T a4=(-2 2 -3)
求一道高一数列题等差数列中,若a1+ a2+ a3=4,a5+ a4+ a6=8,a7+a8+a9的值是多少?不是等差数
A1+A3+A5+A7=4,求A2+A4+A6