Problem
First name
josephine okunbolade
School
The Urswick School
Country
Age
15
The vectors must add upto zero,zero. The vectors swap over and then one becomes negative. Then both vectors become negatives and they swap over agin finally,they swap again and the number that changed at first changes back. The vectors go back to zero, zero at the end of the whole process.
3 -1 -3 1
1 3 -1 -3