- #1
DottZakapa
- 239
- 17
Member has been reminded to show some effort from his side.
i compute the partial derivative, the vector that i have to use the one in the text or
w=(2/(5^(1/2)), 1/(5^(1/2)))
using the last one i get minus square root of five , if i don't divide by the norm the answer should be B.
i don't understand what D means