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Select all statements below which are true for all invertiblennnnmatricesAAandBB A. A 3 B 2 A3B2 is invertible B. ( A + B ) 2
Select all statements below which are true for all invertiblennnnmatricesAAandBB
A.A3B2A3B2is invertible
B.(A+B)2=A2+B2+2AB(A+B)2=A2+B2+2AB
C.(In+A)(In+A1)=2In+A+A1(In+A)(In+A1)=2In+A+A1
D.(A+A1)9=A9+A9(A+A1)9=A9+A9
E.A+A1A+A1is invertible
F.AB=BAAB=BA
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Statistical Inference
Authors: George Casella, Roger L. Berger
2nd edition
0534243126, 978-0534243128
