CBSE 12th Mathematics Delhi Set 1 - 2023 | Determinants Question 1 | Mathematics

$$\text { If }\left|\begin{array}{lll} \alpha & 3 & 4 \\ 1 & 2 & 1 \\ 1 & 4 & 1 \end{array}\right|=0 \text {, then the value of } \alpha \text { is: }$$

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