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zbowman75
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Let T: M_2x2 > R be defined by T(A)=det(A). Find the null space of T.
So far I know that if A was a 2x2 matrix with entries a, b, c, d, the det(A)= adbc. From there I'm just not seeing where I need to go.
 one year ago
 one year ago
zbowman75 Group Title
Let T: M_2x2 > R be defined by T(A)=det(A). Find the null space of T. So far I know that if A was a 2x2 matrix with entries a, b, c, d, the det(A)= adbc. From there I'm just not seeing where I need to go.
 one year ago
 one year ago

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