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आव्यूह \(\begin{bmatrix}1&0\\0&1 \end{bmatrix}\) का व्युत्क्रम है

(A) \(\begin{bmatrix}-1&0\\0&1 \end{bmatrix}\)

(B) \(\begin{bmatrix}-1&0\\0&-1 \end{bmatrix}\)

(C) \(\begin{bmatrix}0&0\\0&0 \end{bmatrix}\)

(D) \(\begin{bmatrix}1&0\\0&1 \end{bmatrix}\)

1 Answer

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Best answer

सही विकल्प है (D) \(\begin{bmatrix}1&0\\0&1 \end{bmatrix}\) 

\(\frac 1{|A|} adj A=\frac 11\begin{bmatrix}1&0\\0&1 \end{bmatrix}\)

\(=\begin{bmatrix}1&0\\0&1 \end{bmatrix}\)

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