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If Delta=|(a1,b1,c1),(a2,b2,c2),(a3,b3,...

If `Delta=|(a_1,b_1,c_1),(a_2,b_2,c_2),(a_3,b_3,c_3)| and A_2,B_2,C_2` are respectively cofactors of `a_2,b_2,c_2` then `a_1A_2+b_1B_2+c_1C_2` is

A

`a_1A_1 + b_1B_1 + c_1C_1=Delta`

B

`a_2A_2 + b_2B_2+ c_2C_2=Delta`

C

`a_3A_3+b_3B_3+c_3C_3=Delta`

D

`a_1A_2+b_1B_2 + c_1 C_2=Delta`

Text Solution

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The correct Answer is:
D
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