# Vector - basic operations

There are given points A [-9; -2] B [2; 16] C [16; -2] and D [12; 18]

a. Determine the coordinates of the vectors u=AB v=CD s=DB

b. Calculate the sum of the vectors u + v

c. Calculate difference of vectors u-v

d. Determine the coordinates of the vector w = -7.u

a. Determine the coordinates of the vectors u=AB v=CD s=DB

b. Calculate the sum of the vectors u + v

c. Calculate difference of vectors u-v

d. Determine the coordinates of the vector w = -7.u

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