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Admission NDC - Prosthuti Booster Science MCQ — Prosthuti প্রশ্নব্যাংক
Admission · NDC - Prosthuti Booster · Science · MCQ
\begin{vmatrix} 1 & 1 & 1 \\ 1 & 1+x & 1 \\ 1 & 1 & 1+y \end{vmatrix} = 1 \cdot \[\begin{vmatrix} 1+x & 1 \\ 1 & 1+y \end{vmatrix}\] - 1 \cdot \[\begin{vmatrix} 1 & 1 \\ 1 & 1+y \end{vmatrix}\] + 1 \cdot \[\begin{vmatrix} 1 & 1+x \\ 1 & 1 \end{vmatrix}\]
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