Product of vectors

37 Views Asked by At

Textbook example

I'm not sure if this is an error in my textbook, but isn't PQ supposed to be (1,-2.0)?

2

There are 2 best solutions below

0
On BEST ANSWER

Yes, it looks like it's $-2$.

0
On

Yes, good eye.

The textbook has defined the vector PQ=<(2-1),(0-2),(1-1)> which evaluates to PQ=<1, -2, 0>.