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Ch 03: Matrices and Determinants

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== <list-group> * Fin $x$ and $y$ if $ \left[ {\begin{array}{c} x+3&1\\ -3& 3y-4 \end{array}} \right]= \left[ {\begin{array}{c} 2&1\\ -3&2 \end{array}} \right]$ --- ... ala(2015)// * Solve for matrix $A$ if $\left[ {\begin{array}{c}4&3\\ 2&2 \end{array}} \right]A-\left[ {\begin{array}{c} 2&3\\ -1&-2 \end{array}} \right]= \left

Ch 04: Quadratic Equations

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tem of equations --- //BISE Gujrawala(2017)// $${\begin{array}{c} x^2-5xy+6y^2=0\\x^2+y^2=45\end{array}}$