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Pertanyaan Bacaan 12.3 Pertanyaan Bacaan
1.
Apakah matriks nonsingular itu? Berikan contoh matriks nonsingular
\(2 \times 2\text{.}\) Bagaimana Anda mengetahui bahwa contoh tersebut nonsingular?
2.
Apakah isometri dalam
\(\mathbb R^n\) itu? Dapatkah Anda memberikan contoh isometri dalam
\(\mathbb R^2\text{?}\)
3.
Apakah himpunan vektor ortonormal itu?
4.
Apakah perbedaan antara grup ortogonal dan grup ortogonal khusus?
5.
