- #1
Nicksto
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Homework Statement
Let W be the subspace of R4 defined by W={x:V^TX=0}. Calculate dim(w) where
V=(1 2 -3 -1)^T
note: V^T means V Transpose, sorry I don't know how to do transpose sign in here.
Homework Equations
The Attempt at a Solution
I tries to do it (1 2 -3 -1)(x1 x2 x3 x4)^T=0
x1+2(x2)-3(x3)-x4=0
So does it means dim(w)=1 ?