solving system of equations using matrix inversion

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solving system of equations using matrix inversion
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******* 1 1	solving 3x+4y = 17 , -4x+3y =44 using matrix inversion ---------------------------------------------- ----------------------------------------------- put into matrix form AX=B check if A is non singular if \|A\| ≠ 0 , find the cofactors and then the adjoint and hence the inverse Aֿ¹ = adjA / detA then use X =Aֿ¹ B answer and some steps are given below ================ * * ================ trig. formulae
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