Question:medium
Evaluate the determinant $\begin{vmatrix} 11 & 1 & 1 \\ 1 & 21 & 1 \\ 1 & 1 & 31 \end{vmatrix}$:
Evaluate the determinant $\begin{vmatrix} 11 & 1 & 1 \\ 1 & 21 & 1 \\ 1 & 1 & 31 \end{vmatrix}$:
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Use row operations to create zeros and simplify determinant calculation.
Updated On: Apr 24, 2026
- $7100$
- $6800$
- $7300$
- $6900$
- $6700$
Show Solution
The Correct Option is A
Solution and Explanation
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