A.3B.25C.5D.1
单项选择题四元数p =1+3i -2j +8k的共轭四元数是:()
A.-1-3i +2j -8kB.-1+3i -2j +8kC.1-3i +2j -8kD.1-3i -2j +8k
单项选择题四元数p =3+5i -3j +7k,q =6–i +3j +2k,则p-q等于:()
A.9+4i +5kB.-3+6i -6j +5kC.18–5i –9j -14kD.3+6i +6j +9j