Answer to Question #22435 in Linear Algebra for Aaron Okievs.

Question #22435

Let U and V be vector spaces over a field F. Let T:U→V is one-one if and only if ...

(A) rank (T) = 0
(B) rank (T) = 1
(C) Ker (T) = 0
(D) Ker(T) = 1

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