i am puzzled about the method of finding the Im(adsbygoogle = window.adsbygoogle || []).push({});

in one axample i see the method of thaking the column withound the term of the zero

row

and exract the vectors from the column

the other way is taking the "b" term that make the whole row zeros

and extract from it

the third way i making the coulmns zeros

i am realy confused about the method of finding Im

because there is 2 example the contaridct each other

http://img504.imageshack.us/my.php?image=img8271ip1.jpg

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# Homework Help: I got problem in understanding the Im finding method

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