若向量组[img=68x18]1802e1a29d450fa.png[/img]线性无关,在下列向量组中,也线性无关的向量组是:
A: [img=163x21]1802e1a2a6370d2.png[/img]
B: [img=190x22]1802e1a2afb7464.png[/img]
C: [img=163x21]1802e1a2b988b52.png[/img]
D: [img=245x22]1802e1a2c1dff28.png[/img]
E: [img=220x22]1802e1a2cb38232.png[/img]
F: [img=199x22]1802e1a2d3e4cd0.png[/img]
G: [img=219x21]1802e1a2dc3bf99.png[/img]
A: [img=163x21]1802e1a2a6370d2.png[/img]
B: [img=190x22]1802e1a2afb7464.png[/img]
C: [img=163x21]1802e1a2b988b52.png[/img]
D: [img=245x22]1802e1a2c1dff28.png[/img]
E: [img=220x22]1802e1a2cb38232.png[/img]
F: [img=199x22]1802e1a2d3e4cd0.png[/img]
G: [img=219x21]1802e1a2dc3bf99.png[/img]
举一反三
- 若向量组[img=68x18]1803037763561a5.png[/img]线性无关,在下列向量组中,也线性无关的向量组是: A: [img=163x21]180303776be8c86.png[/img] B: [img=190x22]18030377743931a.png[/img] C: [img=163x21]180303777d347b3.png[/img] D: [img=245x22]1803037785c3515.png[/img] E: [img=220x22]180303778e6bf39.png[/img] F: [img=199x22]18030377964418e.png[/img] G: [img=219x21]180303779fded76.png[/img]
- 若向量组[img=68x18]1802e18d184824b.png[/img]线性无关,在下列向量组中,也线性无关的向量组是: A: [img=163x21]1802e18d21d7db7.png[/img] B: [img=190x22]1802e18d2b5e410.png[/img] C: [img=163x21]1802e18d3464ba3.png[/img] D: [img=245x22]1802e18d3e1f01c.png[/img] E: [img=220x22]1802e18d477f19a.png[/img] F: [img=199x22]1802e18d5124fde.png[/img] G: [img=219x21]1802e18d5a75ebf.png[/img]
- 若向量组[img=68x18]18030b8428af6b6.png[/img]线性无关,在下列向量组中,也线性无关的向量组是: A: [img=163x21]18030b8431657fd.png[/img] B: [img=190x22]18030b843a2afed.png[/img] C: [img=163x21]18030b8442e984d.png[/img] D: [img=245x22]18030b844acb423.png[/img] E: [img=220x22]18030b8453ddf62.png[/img] F: [img=199x22]18030b845c929af.png[/img] G: [img=219x21]18030b8465a002d.png[/img]
- 设随机变量X服从均值为2的指数分布,X的分布函数为F(x),数学期望为E(X),方差为D(X),则以下结果正确的是 A: [img=128x28]1802d3b369ab5fe.png[/img] B: D(X)=4 C: P(X<2︱X>1)=F(1) D: P(X>2︱X>1)= F(1) E: [img=112x27]1802d3b372fb534.png[/img] F: D(X)=E(X) G: P(X≤2︱X>1)= F(2) H: [img=82x27]1802d3b37bbbf05.png[/img]
- 设随机变量X服从均值为2的指数分布,X的分布函数为F(x),数学期望为E(X),方差为D(X),则以下结果正确的是 A: [img=128x28]18034b986fbc78a.png[/img] B: D(X)=4 C: P(X<2︱X>1)=F(1) D: P(X>2︱X>1)= F(1) E: [img=112x27]18034b98781508a.png[/img] F: D(X)=E(X) G: P(X≤2︱X>1)= F(2) H: [img=82x27]18034b9880d080a.png[/img]