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Suppose V is finite - dimensional and v 1 ; : : : ; vm 2 V . Define a linear map W V 0
Suppose V is finitedimensional and v; : : : ; vm V Define a linear map W V Fm by D v; : : : ; vm : a Prove that v; : : : ; vm spans V if and only if is injective. b Prove that v; : : : ; vm is linearly independent if and only if is surjective.
Suppose V is finitedimensional and v; : : : ; vm V Define a linear
map W V Fm by
D
v; : : : ; vm
:
a Prove that v; : : : ; vm spans V if and only if is injective.
b Prove that v; : : : ; vm is linearly independent if and only if is
surjective.
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