Word Count : 571

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समीकरणों को हल करने के लिए हमें इसे मैट्रिक्स रूप में व्यक्त करना होगा। सबसे पहले, समीकरणों को इस रूप में लिखते हैं: \[ \begin{aligned} 2a + 3b + 4c + d &= 8 \\ a + 2b + 2c + 2d &= 3 \\ a - b + c + 3d &= 3 \end{aligned} \] हम इसे मैट्रिक्स रूप में लिख सकते हैं: \[ \begin{bmatrix} 2 & 3 & 4 & 1 \\ 1 & 2 & 2 & 2 \\ 1 & -1 & 1 & 3 \end{bmatrix} \begin{bmatrix} a \\ b \\ __________ _______ ___ __________ _______ ____ ___ ___ ____ ____ ___.
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