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Homework Statement
let a be the vector [2,3,1] in R3 and let T:R3-->R3 be the map given by T(x) =(ax)aState with reasons, the rank and nullity of T
Homework Equations
The Attempt at a Solution
Im having trouble understanding this... I know how to do this with a matrix ie row reduce and no. of leading cols = rank ,, and then no. of non leading cols = nullity.
But I am stuck on how to go about it with this eqn.?
And that the rank = dim(image)
but how would I finad that...
or alternatively the dim(kernal)?
Thanks.