Why is my drawing wrong?

I don't understand why my drawing doesn't match the result of the linear combination. I don't know where the error lies.

always.

(1 votes)
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Tannibi
10 months ago

You did not multiply the -1 by 3 in the second line.

And the red arrowhead has to end.

Tannibi
10 months ago
Reply to  Matheokohnen

At some point, you’ll be “work-blind” coming.

Uwe65527
10 months ago

Look at the first component in your calculation:

3*(-1)+2*1=1

Aveairam
10 months ago

Because your bill is wrong.