Question: Let U , V , W be finite-dimensional vector spaces. (a)If any linear map T :U W can be presented as a composition of linear

Let U , V , W be finite-dimensional vector spaces. (a)If any linear map T :U W can be presented as a composition of linear maps U V W, then what can be the dimensions of the spaces? (b) What linear maps U W can be presented as compositions U V W

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