• 2022-06-19
    若C为常数,A及k为常矢量,试证:①[tex=6.214x1.214]S6hpMdq+c0xUUj2qviqxPvTKZE23IVtA8eHted4k4srsQ6Y1YGDyZVXumxj/xgZ9[/tex]②[tex=9.571x1.571]+uqEelBTaZpp8y2SsBkhvGgGaaLwNq+0KgFbzbs4Gq0/RW0A0oUSJHdzZdJp7NLw0dcgBrwWv/yS2884ojiNrFixJ6515aQ+8C1IwryYe+U=[/tex]③[tex=10.571x1.571]kBCMbqQHHZb2fcr3oDOco0DNJuGe4WALdADZ6k9MCYVPPGcUI2jDknNv3/xsr3WyDwc/SNuAJ+BxzAV+kxFQjfV/EbKVVeyMRcIMC6alK5s=[/tex]