设[img=11x19]18035a76009ecad.png[/img]是可逆矩阵A的特征值,则[img=66x24]18035a7609603be.png[/img]的特征值为( )
A: [img=42x43]18035a76121bec9.png[/img]
B: [img=42x43]18035a761aba528.png[/img]
C: [img=36x43]18035a76234a805.png[/img]
D: [img=27x20]18035a762bb22f2.png[/img][img=39x25]18035a7634053a5.png[/img]
A: [img=42x43]18035a76121bec9.png[/img]
B: [img=42x43]18035a761aba528.png[/img]
C: [img=36x43]18035a76234a805.png[/img]
D: [img=27x20]18035a762bb22f2.png[/img][img=39x25]18035a7634053a5.png[/img]
举一反三
- 设[img=11x19]18035a76009ecad.png[/img]是可逆矩阵A的特征值,则[img=66x24]18035a7609603be.png[/img]的特征值为( ) 未知类型:{'options': ['', '', '', ''], 'type': 102}
- 设三阶方阵[img=117x75]17da6265af67565.png[/img]有特征值[img=36x21]17da6265c0f8ef3.png[/img],则[img=26x15]17da6265d451088.png[/img] ,[img=27x17]17da5b7f743dcc3.png[/img] . A: x=1, y=1 B: x=2, y=1 C: x=3, y=0 D: x=0, y=3
- 令F(x):x是有理数,G(x):x是实数。将命题“所有的有理数都是实数,但有的有实数不是有理数”符号化为() 未知类型:{'options': ['17e0a83a4157352.jpgx(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))'], 'type': 102}
- 设随机变量X~N(2,9),Φ(x)为标准正态分布函数,则P{2<X≤4}=( ). A: [img=36x43]1803b451cf414b0.png[/img] B: [img=67x43]1803b451d70a0e2.png[/img] C: [img=76x43]1803b451df63707.png[/img] D: [img=67x43]1803b451e721484.png[/img]
- 设随机变量 X ~ e([img=11x19]1803bbe33f2dc36.png[/img]),则 D(X )= [img=18x43]1803bbe34777894.png[/img].