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  • 1. Form 4 [simultaneous equation vs. vector]
    We use simultaneous equation when we have two unknown to solve.
    In vector, usually we use simultaneous equation when we have to find the two constant in the two different vector.
  • 2. Example:
    Example of simultaneous equation.
    Subtitude (1) into (2)
  • 3. Substitute into (1)
  • 4. In the diagram, PQRS is a quadrilateral. PR and QS is a diagonal of the quadrilateral intersection at T. point u lies on PS. It is given that , , and .
    Given that and where
    m and n are constant, find the value of m and of n.
    S
    R
    T
    u
    P
    Q
    Solution:
    Example of vector.
  • 5. Given,
    Substitute (2) into (1),
    We use substitute method in simultaneous equation.