12-240/Classnotes for Thursday September 20
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In this class, the professor completes the lecture about complex number and then introduces vector space.
Complex number
Definition:
C={(a,b): a, b R}
1 ( of C) = (1,0); 0 ( of C)= (0,0)
i=(0,1) File:IMG.jpg File:IMG2.jpg File:IMG3.jpg