Finding the Basis of a Matrix: Need Help!

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The discussion centers on a user seeking assistance with finding the basis of a matrix for a homework problem. They express confusion about the process and request help from the community. Another user, Mark44, has already provided a solution to the question. The conversation highlights the importance of collaboration in understanding mathematical concepts. Overall, the thread emphasizes the need for clarity in learning about matrix bases.
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Matrix?? Basis?

Homework Statement


I just don't know how to do the part of finding the basis...
someone help me please...
thx...

Homework Equations





The Attempt at a Solution

 

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this question is already solve..
thanks to Mark44...
 
Question: A clock's minute hand has length 4 and its hour hand has length 3. What is the distance between the tips at the moment when it is increasing most rapidly?(Putnam Exam Question) Answer: Making assumption that both the hands moves at constant angular velocities, the answer is ## \sqrt{7} .## But don't you think this assumption is somewhat doubtful and wrong?

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