设alpha_(1)=x(cossqrt(x)-1),alpha_(2)=sqrt(x)ln(1+sqrt[3](x)),alpha_(3)=sqrt[3](x+1)-1.当xto0^+时，以上3个无穷小量按照从低阶到高阶的排序是____.

9、填空 向量组alpha_(1)=(1,1,2,-2),alpha_(2)=(1,3,-x,-2x),alpha_(3)=(1,-1,6,0)的秩为2，则x=

8 填空 向量组alpha_(1)=(1,1,2,-2),alpha_(2)=(1,3,-x,-2x),alpha_(3)=(1,-1,6,0)的秩为2，则x

已知向量组alpha_(1),alpha_(2),alpha_(3)线性无关，若alpha_(1)+alpha_(2),alpha_(2)+alpha_(3),

设向量组alpha_(1)=(1,-1,2,4),alpha_(2)=(0,3,1,2),alpha_(3)=(3,0,7,14),alpha_(4)=(1,-

【例19】(2025-2)设矩阵A=(alpha_(1),alpha_(2),alpha_(3),alpha_(4)).若alpha_(1),alpha_(2)

设alpha_(1),alpha_(2),alpha_(3),alpha_(4)线性无关，且alpha_(1),alpha_(2),alpha_(3),alph

设alpha_(1),alpha_(2),alpha_(3),alpha_(4)线性无关，且alpha_(1),alpha_(2),alpha_(3),alph

7.设alpha_(1),alpha_(2),alpha_(3),beta_(1),beta_(2)均为4维列向量，矩阵A=(alpha_(1),alpha_(

11.设a_(1)=x(cossqrt(x)-1),a_(2)=sqrt(xln(1+sqrt[3](x)),a_{3)=sqrt[3](x+1)-1},当x→

4.求向量组alpha_(1)=(1,1,2,3),alpha_(2)=(1,-1,1,1),alpha_(3)=(1,3,3,5),alpha_(4)=(4,