Jawaban:
matrix B adalah [tex]\begin{bmatrix}6&2\\14&5\end{bmatrix}[/tex]
Penjelasan dengan langkah-langkah:
matrix
invers matrix 2×2
[tex]\boxed{\begin{bmatrix}a&b\\c&d\end{bmatrix}\Rightarrow~\frac{1}{ad-bc}\times\begin{bmatrix}d&-b\\-c&a\end{bmatrix}}[/tex]
ketentuan
[tex]\boxed{\sf jika\:\left(A^{-1}\right)^{-1}=A}[/tex]
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Verified answer
Jawaban:
matrix B adalah [tex]\begin{bmatrix}6&2\\14&5\end{bmatrix}[/tex]
Penjelasan dengan langkah-langkah:
matrix
invers matrix 2×2
[tex]\boxed{\begin{bmatrix}a&b\\c&d\end{bmatrix}\Rightarrow~\frac{1}{ad-bc}\times\begin{bmatrix}d&-b\\-c&a\end{bmatrix}}[/tex]
ketentuan
[tex]\boxed{\sf jika\:\left(A^{-1}\right)^{-1}=A}[/tex]