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+1 vote
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in Determinants by (40.4k points)
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यदि सारणिक Δ =  \(\begin{vmatrix}a_1&b_1&c_1\\a_2 & b_2&c_2\\a_3&b_3&c_3\end{vmatrix}\)  में A1, B1,C1, … आदि क्रमशः अवयव a1,b1,c1,… आदि के सहखण्ड हों, तो सिद्ध कीजिए कि

Δ2 =   \(\begin{vmatrix}A_1&B_1&C_1\\A_2 & B_2&C_2\\A_3&B_3&C_3\end{vmatrix}\) 

1 Answer

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Best answer

Δ =  \(\begin{vmatrix}a_1&b_1&c_1\\a_2 & b_2&c_2\\a_3&b_3&c_3\end{vmatrix}\)  तथा  माना Δ' =   \(\begin{vmatrix}A_1&B_1&C_1\\A_2 & B_2&C_2\\A_3&B_3&C_3\end{vmatrix}\)

Δ' = Δ

Δ2 = Δ'

Δ2 =   \(\begin{vmatrix}A_1&B_1&C_1\\A_2 & B_2&C_2\\A_3&B_3&C_3\end{vmatrix}\) 

इति सिद्धम्।

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