Understanding Matrix Transformation: T2(v)=0 Clarification

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SUMMARY

The discussion clarifies that the expression T2(v) = 0 refers to the composition of the transformation T applied twice, specifically T(T(v)) = 0. This distinction is crucial for understanding matrix transformations in linear algebra. The confusion between T(T(v)) and T(v) * T(v) highlights the importance of notation in mathematical expressions.

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  • Understanding of linear transformations
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  • Basic knowledge of function composition
  • Concept of null space in linear algebra
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Homework Statement


just wondering, what exactly is T2(v)=0?
is it T(T(v))=0 or T(v)*T(v)=0??


Homework Equations





The Attempt at a Solution

 
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Nope said:

Homework Statement


just wondering, what exactly is T2(v)=0?
is it T(T(v))=0 or T(v)*T(v)=0??


Homework Equations





The Attempt at a Solution


It's T(T(v)) = 0
 
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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