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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: Determinants
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[Post New]28 Sep 2008 21:11:53 IST
    Subject: Determinants
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sahilgupta_iit (610)

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Without expanding prove that det    =  (1 + a2 + b2)3
    
[Post New]28 Sep 2008 21:55:21 IST
    Subject: Re:Determinants
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determinedforiit (562)

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 follow these steps:


R1 --->R1+bR3


R2 --->r2-aR3


take  common from R1 and R2


C3 ---> C3+bC1-aC2


again take common  fom C3


then expand the remaining.


tell me if u get the answer or not.
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