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Further Maths Vectors Help

I'm stuck on question 7 of this paper: https://filestore.aqa.org.uk/resources/mathematics/AQA-73661-SQP.PDF

how do I go about tackling this question? Thanks,
Callum.
Original post by xAikx
I'm stuck on question 7 of this paper: https://filestore.aqa.org.uk/resources/mathematics/AQA-73661-SQP.PDF

how do I go about tackling this question? Thanks,
Callum.


let the first beam be EF and the second by GH, where

E ( 12, 0, 3 ) F ( 42, 125, 23 ) G( 20, 10, 1 ) H ( 40, 140, 29 )

you should find the vector equations of the lines of which EF and GH are segments. then do the usual procedure to show they intersect.

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