设a1=2i-j+k,a2=i+3j-2k,a3=-2i+j-3k,a4=3i+2j+5k,试问:是否存在实数λ,μ,ν,使a4=λa1+μa2+ν
问题描述:
设a1=2i-j+k,a2=i+3j-2k,a3=-2i+j-3k,a4=3i+2j+5k,试问:是否存在实数λ,μ,ν,使a4=λa1+μa2+ν
答
λ=2,μ=1,ν=1
设a1=2i-j+k,a2=i+3j-2k,a3=-2i+j-3k,a4=3i+2j+5k,试问:是否存在实数λ,μ,ν,使a4=λa1+μa2+ν
λ=2,μ=1,ν=1