I need some help solving this...not even sure how to start...(adsbygoogle = window.adsbygoogle || []).push({});

Let L:R(4) goes to R(4) be the linear transformation defined by

-matlab notation, the value is a 4x1 column

L ( [ a b c d])=[ a-b

0

c-d

0 ]

Show directly L is linear.

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# Linear algebra

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