hasil kali matriks (BA)(B+A*-1) B*-1
Matematika
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Pertanyaan
hasil kali matriks (BA)(B+A*-1) B*-1
1 Jawaban
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1. Jawaban supaat69
[tex]
(BA)\left(B+A^{-1}\right)B^{-1}\\
=(BA)\left(BB^{-1}+A^{-1}B^{-1}\right)\\
=BABB^{-1}+BAA^{-1}B^{-1}\\
=BAI+BIB^{-1}\\
=BA+BB^{-1}\\
=BA+I
[/tex]