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6 Cards in this Set

  • Front
  • Back
How do you prove that three points, ABC, are colinear
AB = a factor of BC (AB = tBC)

Hence vectors in the same direction


And they share a point

How do you prove that something is a rectangle?
All angles are right angles

Vectors of opposite sides the same

What's special about the diagonals of a rectangle?
They bisect each other
What is important to remember when giving a vector equation?
The variable should be in its simplest form:

(1,2,3) + t(1,1,2)


NOT


(1,2,3) + t(3,3,6)



What level of accuracy should money be to?
2 d.p
How many constants in general solution to differential equation?
1