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Ask iit jee aieee pet cbse icse state board experts Expert Question: matematics/matrix
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[Post New]1 Dec 2006 15:44:34 IST
    Subject: matematics/matrix
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vad007 (0)

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use matrix multiplication to divide Rs.30000 in two part such that the total annual interest at 9% on first part and 11% on the second part amountsRs.3060
    
[Post New]1 Dec 2006 15:56:20 IST
    Subject: Re:matematics/matrix
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puneet (3495)

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Let the two parts be x and y ..
 
So we have two equations
 
                       x + y = 30000
 
   and            0.09x + 0.11y = 3060
 
  Now write these equations as a matrix and we are done !!!
 
  cheers
Puneet Agrawal
IIT Delhi
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