Determinants

Bihar Board Class 12 · Mathematics · 70 past questions

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1. Q6 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2026 Set J2026 Set B

   Prove that…

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2. Q31 2025 Set E

   Prove that $\begin{vmatrix} a+b & b & c \\ b+c & c & a \\ c+a & a & b \end{vmatrix}=3abc-a^3-b^3-c^3$.

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