3x - 2y = - 25x + 8y = 9por metodo de Cramer por favor?
3x - 2y = - 2 5x + 8y = 9 por metodo de Cramer por favor.
En resumen
<img src="https://tex.z-dn.net/?f=%5Cbegin%7Bcases%7D%263x-2y%3D-2%5C%5C%265x%2B8y%3D9%5Cquad%5Cend%7Bcases%7D" /> · Coeficientes : x = 3 ; 5 y = - 2 ; 8 TI = - 2 ; 9 · Calculando los determinantes : <img src="https://tex.z-dn.net/?
Mejor respuesta
Resolviendo
<img src="https://tex.z-dn.net/?f=%5Cbegin%7Bcases%7D%263x-2y%3D-2%5C%5C%265x%2B8y%3D9%5Cquad%5Cend%7Bcases%7D" />
· Coeficientes : x = 3 ; 5 y = - 2 ; 8 TI = - 2 ; 9
· Calculando los determinantes :
<img src="https://tex.z-dn.net/?f=%5Cboldsymbol%7B%5CDelta_%7Bs%7D%7D%3D%5Cbegin%7Bvmatrix%7D%20%5Ctextbf%7BX%7D%20%26%20%5Ctextbf%7BY%7D%5C%5C%203%20%26%20-2%5C%5C5%20%26%208%20%5Cend%7Bvmatrix%7D%5C%5C%20%5C%5C%20%5C%5C%5Cboldsymbol%7B%5CDelta_%7Bs%7D%7D%3D%283%29%288%29-%28-2%29%285%29%5C%5C%5Cboldsymbol%7B%5CDelta_%7Bs%7D%7D%3D24-%28-10%29%5C%5C%5Cboldsymbol%7B%5CDelta_%7Bs%7D%7D%3D24%2B10%5C%5C%5Cboldsymbol%7B%5CDelta_%7Bs%7D%7D%3D34%5Cqquad%5CLongrightarrow%5Cboldsymbol%7BEl%5C%20determinante%5C%20del%5C%20sistema.%7D" />
<img src="https://tex.z-dn.net/?f=%5Cboldsymbol%7B%5CDelta_%7Bx%7D%7D%3D%5Cbegin%7Bvmatrix%7D%20%5Ctextbf%7BTI%7D%20%26%20%5Ctextbf%7BY%7D%5C%5C%20-2%20%26%20-2%5C%5C9%20%26%208%20%5Cend%7Bvmatrix%7D%5C%5C%20%5C%5C%20%5C%5C%5Cboldsymbol%7B%5CDelta_%7Bx%7D%7D%3D%28-2%29%288%29-%28-2%29%289%29%5C%5C%5Cboldsymbol%7B%5CDelta_%7Bx%7D%7D%3D-16-%28-18%29%5C%5C%5Cboldsymbol%7B%5CDelta_%7Bx%7D%7D%3D-16%2B18%5C%5C%5Cboldsymbol%7B%5CDelta_%7Bx%7D%7D%3D2%5Cqquad%5CLongrightarrow%5Cboldsymbol%7BEl%5C%20determinante%5C%20de%5C%20%22x%22.%7D" />
<img src="https://tex.z-dn.net/?f=%5Cboldsymbol%7B%5CDelta_%7By%7D%7D%3D%5Cbegin%7Bvmatrix%7D%20%5Ctextbf%7BX%7D%20%26%20%5Ctextbf%7BTI%7D%5C%5C%203%20%26%20-2%5C%5C5%20%26%209%20%5Cend%7Bvmatrix%7D%5C%5C%20%5C%5C%20%5C%5C%5Cboldsymbol%7B%5CDelta_%7By%7D%7D%3D%283%29%289%29-%28-2%29%285%29%5C%5C%5Cboldsymbol%7B%5CDelta_%7By%7D%7D%3D27-%28-10%29%5C%5C%5Cboldsymbol%7B%5CDelta_%7By%7D%7D%3D27%2B10%5C%5C%5Cboldsymbol%7B%5CDelta_%7By%7D%7D%3D37%5Cqquad%5CLongrightarrow%5Cboldsymbol%7BEl%5C%20determinante%5C%20de%5C%20%22y%22.%7D" />
· Obteniendo soluciones :
<img src="https://tex.z-dn.net/?f=%5Cboldsymbol%7Bx%3D%20%5Cdfrac%7B%5CDelta_%7Bx%7D%7D%7B%5CDelta_%7Bs%7D%7D%7D%5Cto%5C%20%5Cdfrac%7B2%7D%7B34%7D%3D%20%5Cdfrac%7B%5Cnot%7B2%7D%7D%7B%5Cnot%7B34%7D%7D%3D%20%5Cdfrac%7B1%7D%7B17%7D%5Cquad%5Ccheckmark%5C%20%5Cboxed%7B%5Cboldsymbol%7BPrimera%5C%20soluci%5C%27on.%7D%7D%5C%5C%20%5C%5C%20%5C%5C%5Cboldsymbol%7By%3D%20%5Cdfrac%7B%5CDelta_%7By%7D%7D%7B%5CDelta_%7Bs%7D%7D%20%7D%5Cto%5C%20%5Cdfrac%7B37%7D%7B34%7D%5Cquad%5Ccheckmark%5C%20%5Cboxed%7B%5Cboldsymbol%7BSegunda%5C%20soluci%5C%27on.%7D%7D%5C%5C%20%5C%5C%20%5C%5C%5Cmathbb%7BRESPUESTAS%3A%7D%5C%5C%20%5C%5C%5Cboxed%7B%5Cboxed%7B%5Cboldsymbol%7Bx%3D%20%5Cdfrac%7B1%7D%7B17%7D%5C%20%3B%5C%20y%3D%5Cdfrac%7B37%7D%7B34%7D%20%7D%7D%7D%5C%5C%20%5C%5C%20%5C%5C%5Ctextbf%7BMUCHA%5C%20SUERTE...%21%21%7D" />.