Does T²(v)=0 mean T(T(v))=0 or T(v)·T(v)=0?

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Nope
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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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Discussion

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
 

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