[線代] linear transformation (onto)
a linear transformation L: V -> W is said to map V onto W if L(V)=W
show that the linear transformation L defined by
L(x) = ( x1, x1+x2, x1+x2+x3 )^T
maps R^3 onto R^3
請問這題要怎麼證呢?
謝謝!!
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