जर \(\rm 2\begin{bmatrix} 1 & 3\\ 0& \rm x \end{bmatrix}+\begin{bmatrix}\rm y& 0\\ 1&2 \end{bmatrix}=\begin{bmatrix} 5& 6\\ 1& 8\end{bmatrix}\), तर x आणि y ची मूल्ये काय आहेत?

  1. x = 3, y = 3.
  2. x = -3, y = 3.
  3. x = 3, y = -3.
  4. x = -3, y = -3.

Answer (Detailed Solution Below)

Option 1 : x = 3, y = 3.
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दिलेले आहे:

\(\rm 2\begin{bmatrix} 1 & 3\\ 0& \rm x \end{bmatrix}+\begin{bmatrix}\rm y& 0\\ 1&2 \end{bmatrix}=\begin{bmatrix} 5& 6\\ 1& 8\end{bmatrix}\)

संकल्पना:

सारण्या: जर दोन सारण्या समान असतील, तर त्यांचे संबंधित घटक देखील समान असले पाहिजेत.

गणना:

\(\rm 2\begin{bmatrix} 1 & 3\\ 0& \rm x \end{bmatrix}+\begin{bmatrix}\rm y& 0\\ 1&2 \end{bmatrix}=\begin{bmatrix} 5& 6\\ 1& 8\end{bmatrix}\)

\(\rm \begin{bmatrix} 2 & 6\\ 0& \rm 2x \end{bmatrix}+\begin{bmatrix}\rm y& 0\\ 1&2 \end{bmatrix}=\begin{bmatrix} 5& 6\\ 1& 8\end{bmatrix}\)

\(\rm \begin{bmatrix} 2+\rm y & 6+0\\ 0+1& \rm 2x+2 \end{bmatrix}=\begin{bmatrix} 5& 6\\ 1& 8\end{bmatrix}\)

सारण्या समान असल्याने, त्यांचे संबंधित घटक देखील समान असले पाहिजेत.

⇒ 2 + y = 5 आणि 2x + 2 = 8.

वरील समीकरणे सोडवल्यावर आपल्याला मिळते

⇒ y = 3 आणि x = 3

∴ x = 3 आणि y = 3

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