Math, asked by DreamgirlKashu, 1 year ago

choose the right one !! ​

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Answers

Answered by NeelJani
0

Answer:

The right answer is option A

Answered by waqarsd
0

Answer:

C 324

Step-by-step explanation:

formula \\  \\ det(adj \: a) =  {(det \: (a))}^{n - 1}  \\  \\ here \: n = 3 \\  \\  \\ det(adj \: a) =  {(det \: (a))}^{2} \\  \\ det \: a =  \: 1(6 - 1) - 2(4 - 3) + 3(2 - 9) \\  \\  = 5 - 2 - 21 \\  \\  =  - 18 \\  \\ det(adj \: a) =  {( - 18)}^{2} = 324 \\  \\

Hope it Helps

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