a→ = 3i→ + 17ja→ {3; 17}
b→ = -19j→ + 20ib→ {-19; 20}
c→ = -14ic→ {-14; 0}
a→ + b→ = (3 + 20)i→ + (17 - 19)ja→ + b→ {23; -2}
b→ - a→ = (-19 - 3)i→ + (20 - 17)jb→ - a→ {-22; 3}
AB→ = (4 - 2)i→ + (7 + 3)jAB→ {2; 10}
AD→ = (7 - 2)i→ + (-4 + 3)jAD→ {5; -1}
BC→ = (-8 - 4)i→ + (-7 - 7)jBC→ {-12; -14}
DB→ = (7 - 4)i→ + (-4 - 7)jDB→ {3; -11}
CA→ = (2 + 8)i→ + (-3 + 7)jCA→ {10; 4}
CB→ = (4 + 8)i→ + (7 + 7)jCB→ {12; 14}
a→ = 3i→ + 17j
a→ {3; 17}
b→ = -19j→ + 20i
b→ {-19; 20}
c→ = -14i
c→ {-14; 0}
a→ + b→ = (3 + 20)i→ + (17 - 19)j
a→ + b→ {23; -2}
b→ - a→ = (-19 - 3)i→ + (20 - 17)j
b→ - a→ {-22; 3}
AB→ = (4 - 2)i→ + (7 + 3)j
AB→ {2; 10}
AD→ = (7 - 2)i→ + (-4 + 3)j
AD→ {5; -1}
BC→ = (-8 - 4)i→ + (-7 - 7)j
BC→ {-12; -14}
DB→ = (7 - 4)i→ + (-4 - 7)j
DB→ {3; -11}
CA→ = (2 + 8)i→ + (-3 + 7)j
CA→ {10; 4}
CB→ = (4 + 8)i→ + (7 + 7)j
CB→ {12; 14}