$$$\left[\begin{array}{cc}- \lambda & 1\\1 & - \lambda\end{array}\right]$$$'nin determinantı
İlgili hesap makinesi: Kofaktör Matrisi Hesaplayıcı
Girdiniz
Hesaplayın $$$\left|\begin{array}{cc}- \lambda & 1\\1 & - \lambda\end{array}\right|$$$.
Çözüm
2x2 boyutlu bir matrisin determinantı $$$\left|\begin{array}{cc}a & b\\c & d\end{array}\right| = a d - b c$$$ olarak verilir.
$$$\left|\begin{array}{cc}- \lambda & 1\\1 & - \lambda\end{array}\right| = \left(- \lambda\right)\cdot \left(- \lambda\right) - \left(1\right)\cdot \left(1\right) = \lambda^{2} - 1$$$
Cevap
$$$\left|\begin{array}{cc}- \lambda & 1\\1 & - \lambda\end{array}\right| = \lambda^{2} - 1$$$A
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