100 Tricks to Appear Smart in Meetings: How to Get by Without Even Trying

100 Tricks to Appear Smart in Meetings: How to Get by Without Even Trying

Matematika tolong bantu jawab ya, mohon pengertiannya​

tolong bantu jawab ya, mohon pengertiannya​

Jawab:

vektor
AB = b - a
B =  AB - A

B =  {-2, 4 }  - {3 , - 1}
B = {( -2 -3), (4 + 1)}
B = (-5, 5)