二次型[img=99x26]18033943a43997a.png[/img]所对应的矩阵是哪个？
A: [img=88x51]18033943ace4e95.png[/img]
B: [img=74x51]18033943b443192.png[/img]
C: [img=88x51]18033943bd29569.png[/img]
D: [img=74x51]18033943c65dd19.png[/img]
A: [img=88x51]18033943ace4e95.png[/img]
B: [img=74x51]18033943b443192.png[/img]
C: [img=88x51]18033943bd29569.png[/img]
D: [img=74x51]18033943c65dd19.png[/img]
举一反三
- 二次型[img=99x26]180339448a11f6d.png[/img]对应的矩阵是哪个？ A: [img=88x51]18033944934cba7.png[/img] B: [img=74x51]180339449c26101.png[/img] C: [img=88x51]18033944a4eff7b.png[/img] D: [img=88x51]18033944acb18cc.png[/img]
- 求二次型[img=139x27]18032636d2e8477.png[/img]的矩阵。 A: [img=60x51]18032636dbbe2b2.png[/img] B: [img=88x51]18032636e4d461b.png[/img] C: [img=74x51]18032636ede3f11.png[/img] D: [img=74x51]18032636f653f32.png[/img]
- 二次型[img=187x51]1803df7d3823058.png[/img],其中[img=103x28]1803df7d414f1aa.png[/img]对应的矩阵是 A: [img=60x51]1803df7d4913249.png[/img] B: [img=60x51]1803df7d50b5b22.png[/img] C: [img=88x51]1803df7d57f1e66.png[/img] D: [img=88x51]1803df7d61177d9.png[/img]
- 二次型[img=187x51]18031764efef478.png[/img],其中[img=103x28]18031764f89ee7d.png[/img]对应的矩阵是 A: [img=60x51]1803176501507ee.png[/img] B: [img=60x51]180317650a48109.png[/img] C: [img=88x51]18031765123e993.png[/img] D: [img=88x51]180317651b7cea2.png[/img]
- 下列二阶矩阵可对角化的是 A: [img=74x51]1803176076c6463.png[/img] B: [img=74x51]180317607f7d84f.png[/img] C: [img=60x51]18031760887ca0f.png[/img] D: [img=74x51]18031760908836c.png[/img]