Solve using matrix method: 2x+y=10 , x+3y=15
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Given equations 2x – y = -2 3x + 4y = 3 Let AX = B So, A– 1 exists. On finding adjoint of matrix A F11 = 4, F12 = -3, F21 = 1, F22 = 2 Matrix formed by adjoint of A, (ii) Given equations 5x + 7y + 2 = 0 or 5x + 7y = -2 4x + 6y + 3 = 0 or 4x + 6y = – 3 ⇒ AX = B …(i) So, A– 1 exists. On finding adjoint of matrix A, F11 = 6, F12 = – 4, F21 = – 7, F22 = 5 Matrix formed by adjoint of A,Read more on Sarthaks.com - https://www.sarthaks.com/707671/use-matrix-method-to-solve-following-system-of-equations-i-2x-y-2
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