If , the maximum value of…

MATHEMATICS · Single correct · CBSE · Mathematics · Determinants · Determinants

Problem

If Δ=∣13cos⁡θ1sin⁡θ13cos⁡θ1sin⁡θ1∣\Delta = \begin{vmatrix} 1 & 3 \cos \theta & 1 \\ \sin \theta & 1 & 3 \cos \theta \\ 1 & \sin \theta & 1 \end{vmatrix} , the maximum value of Δ\Delta is (1) -10 (2) −10-\sqrt{10} (3) 10\sqrt{10} (4) 10

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