Question

X and Y are vectors representing the side XY and XZ of triangleXYZ. If YM=MN=NZ then the vector MN is ? i) 1/3 (x+y) ii) 1/3 (x-y) iii) 1/3 (y-x) iv) 1/2 (x-y)

Answer 1

Answer:

l don't know 1234567890