[線代] dim
V is a vector space
W is a subspace of V
pf dim(W)+dim(V/W)=dim(V)
我想問
1.V/W的基底大概是甚麼樣子？
2.dim(W+V/W)=dim(V)?
3.dim(W∩(V/W))=0?
2跟3說明一下為甚麼對或錯
對(W+V/W)跟(W∩(V/W))
這兩個沒甚麼概念
麻煩各位大大了
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