a) Determine the matrix of the change of basis of Kn, if the old basis is the Standard basis (e1, ..., en) and the new base is: (en, en-1, ..., e1).
b) Determine the matrix, which describes the changement from the old basis (e1, e2) of K2, to the new basis: (e1 + e2, e1 - e2).
part(a) the standard basis ={e1,e2,.......,en} where e1=(1,0,0,....0) e2=(0,1,0,0....0).......en=(0,0,0.......1)
and the new basis={en,en-1,......,e1)
we have to find the matrix by the given basis
let T be the transformation st T(e1)=en=(0,0,0.....,1)
T(e2)=en-1=(0,0,0.......,1,0)
...................T(en)=e1=(1,0,0......0)
hence we get the matrix A=
PART(B) here we have given that old basis ={e1,e2}={(1,0),(0,1)}
and the new basis={e1+e2,e1-e2}
hence we define here T(e1)=e1+e2
and T(e2)=e1-e2
hence we get the matrix A=
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