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More on linear transformations

  1. Nov 18, 2005 #1
    i think i'm just having a hard understanding linear transformations...

    i was asked if (5, 0) is a vector in R(T) given by the formula
    T(x,y)=(2x-y,-8x + 4y)...i really don't get what i'm supposed to do here.. any hints would be most appreciated.
     
  2. jcsd
  3. Nov 18, 2005 #2

    Galileo

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    It asks if the vector (5,0) is in the range of the function T.
    So does there exist some vector (x,y), such that T(x,y)=(5,0)?

    How would you go about this problem?
     
  4. Nov 18, 2005 #3
    so much easier now. thank you Galileo
     
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