二次型[img=240x51]18030b89e237419.png[/img]的矩阵为[img=60x51]18030b89eb9472f.png[/img].
举一反三
- 二次型[img=240x51]1803037ca5ea542.png[/img]的矩阵为[img=60x51]1803037cae813a8.png[/img].
- 二次型[img=240x51]1802e1ae1a96abe.png[/img]的矩阵为[img=60x51]1802e1ae234b2b2.png[/img].
- 矩阵 是二次型[img=122x27]1803df7d401d270.png[/img]的矩阵 A: [img=88x51]1803df7d47b58fa.png[/img] B: [img=60x51]1803df7d4f9e073.png[/img] C: [img=60x51]1803df7d57c4d4e.png[/img] D: [img=60x51]1803df7d60782ce.png[/img]
- 矩阵 是二次型[img=122x27]1803176519395aa.png[/img]的矩阵 A: [img=88x51]1803176521b89a6.png[/img] B: [img=60x51]18031765295144f.png[/img] C: [img=60x51]18031765324c8be.png[/img] D: [img=60x51]180317653b4377c.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]