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// Posted by :Unknown // On :Minggu, 14 September 2014

Diketahui vektor sebagai berikut :

a = (2,1)
b = (0,7)
c = (-3,4)
d = (5,-2)
dan semua vektor dimuali dari titik (10,10), tentukan :

1. z = a + b
    q = b - a
    p = c + d
    r = b + d

2. i = a + r
    j = q - p
    l = d -r

3. o = - z . p
    m = 3q + z









JAWAB

1. z = a + b
       = (2,1) + (0,7)
       = (2,0)





















 q = b - a
     = (0,7) -  (2,1)
     = (-2,6)
 p = c + d
     = (-3,4) + (5,2)
     = (2,6)

   r = b + d
     = (0,7) + (5,2)
     = (5,9)



















2. i = a + r
      = (2,1) + (5,9)
      = (7,10)
  j = q - p
      = (-2,6) - (2,6)
      = (-4, 0)

   l = d - r
     = (5,2) - (5,9)
     = (0,-7)



















3. o = -z . p
       = -(2,8) . (2,6)
       = (-2,-8) . (2,6)
       = (-4, -48)

m = 3 q + z 
       = 3 (-2,6) + (2,8)
       = (-6,18) + (2,8)
       =(-4,26)

 a' = (2 + 3 , 1+  (-2))
         = (5,-1)




r' = (5 +1 , 9 + 4)
 r' = (5 +1 , 9 + 4)
   = (6,13)




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