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Higher Maths Vector Question

Higher Maths Vector Question

Direct15

Hello,

I've done most of my maths homework but have became confused partly by this question:

A is the point(2,-1,4) B is (7,1,3) and C is (-6,4,2)

If ABCD is a parallelogram , find the coordinates of D

I understand that 2 sides are equal to each other , just don't understand how to get D , don't have anything in my notes

Reply 1

TheUnbeliever

Find the vectors of the sides and add them. The diagram here might help: http://en.wikipedia.org/wiki/Euclidean_vector#Addition_and_subtraction

Reply 2

Direct15

Thanks very much

Quick Reply

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