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Question: Maple help with lifting a vector

Question:Maple help with lifting a vector

refer94 15 Maple 2016
multiplication vector
October 25 2016
2

Hej all,

I have a problem. When i have a 9-1 vector "DD" how can i get maple to solve DD^2 my equation is A=(pi/4)*DD^2 should be simple.

 

Also when i have two vectors one is 9-1 and the other is 5-1 i want to divide the 5-1 / 9-1 but i want all possible soluitons? not just 5 results but 45 results.(the zip fuction only gives me 5 results)

 

Pls help 

 

Kind regards
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