1.If Δ=∣a1b1c1a2b2c2a3b3c3∣\Delta = \begin{vmatrix} a_1 & b_1 & c_1 \\ a_2 & b_2 & c_2 \\ a_3 & b_3 & c_3 \end{vmatrix}Δ=a1a2a3b1b2b3c1c2c3 and A1,B1,C1A_1, B_1, C_1A1,B1,C1 denote the cofactors of a1,b1,c1a_1, b_1, c_1a1,b1,c1 respectively, then the value of the determinant ∣A1B1C1A2B2C2A3B3C3∣\begin{vmatrix} A_1 & B_1 & C_1 \\ A_2 & B_2 & C_2 \\ A_3 & B_3 & C_3 \end{vmatrix}A1A2A3B1B2B3C1C2C3 is:a.Δ\DeltaΔb.Δ2\Delta^2Δ2c.Δ3\Delta^3Δ3d.000Login to continueOnly logged in users canattempt or see the solution.
