how to show -u = (-1) u ?

in this question, u stands for a vector.

i am not sure how to prove it because it seems so obvious.

please help !

Printable View

- May 21st 2008, 05:22 AMmath beginnerhow to show -u = (-1) u ?
how to show -u = (-1) u ?

in this question, u stands for a vector.

i am not sure how to prove it because it seems so obvious.

please help ! - May 21st 2008, 05:46 AMcolby2152