\( \begin{vmatrix} 1 & 1 & 1 \\ 1 & 2 & 3 \\ 1 & 4 & k \end{vmatrix} \) নির্ণায়কটির মান \( 2 \) ; \( k \) এর মান কত?

A \( 9 \)

B \( 8 \)

C \( 7 \)

D \( 6 \)

Solution

Correct Answer: Option A

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