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October 21, 2025, 05:18:40 pm
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Author Topic: matrix question  (Read 658 times)  Share 

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abzzzz

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matrix question
« on: November 06, 2011, 12:36:53 pm »
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Hey guys, quick question.

How do you find the value of x in a 3x3 matrix? it's in 2010 exam 2 question 3, any help is appreciated

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acrimony

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Re: matrix question
« Reply #1 on: November 06, 2011, 12:49:32 pm »
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Firstly ayri they give you the matrix in in the form AY=X

Then they give it in the form Y=A^-1X

All you do is get the first matrix and inverse it (^-1) and your answer should be -5

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