Mastering Determinants: A Scientist's Approach to Solving Equations

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Homework Statement



PZn1tG3.png


Homework Equations





The Attempt at a Solution



XdrDSIB.png
 
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Turion said:

Homework Statement



PZn1tG3.png


Homework Equations





The Attempt at a Solution



XdrDSIB.png

What is your question?
 
If you are trying to evaluate the determinant, there is an arithmetic mistake in calculating the first 2x2 minor, specifically in calculating a12*a21.
 
Thanks. I make so many dumb mistakes. :(
 
Turion said:
Thanks. I make so many dumb mistakes. :(

You mean like not stating the question?