Hello everyone, I think i did this right, but i want to make sure this is what they want. The questions says:(adsbygoogle = window.adsbygoogle || []).push({});

In each case find a basis for and caclulate the dimension of nullA:

Here is my work and problem!

http://img207.imageshack.us/img207/2948/lastscan6ib.jpg [Broken]

I just found out its wrong...but why? the book got:

{[-2 4 1 0 0 ]^T, [7 -11 0 2 1]^T}

dim(nullA) = 2.

Those kind of resemble my columns, i got

[2 -4 0 0 0] and [-7 11 2 0 0], hm...

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# Homework Help: Finding the basis of the nullspace, can you see if i'm doing this right?

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