• 2022-05-31
    对于二次型[img=59x17]17e0a7e298a6bac.jpg[/img],经过可逆的线性变换[img=44x18]17e0b7a0c432fbc.jpg[/img]后,得到新的二次型[img=58x20]17e0b7a0cef45a7.jpg[/img],那么B=
    未知类型:{'options': ['', ' [img=41x18]17e0b788321e0f7.jpg[/img]', ' [img=34x18]17e0b7883c44283.jpg[/img]', ' [img=34x18]17e0b7884613965.jpg[/img]'], 'type': 102}