MatemáticasBásico1 respuestas

Si : x + 1 / x = 3 hallar : x ^ 3 + 1 / x ^ 3​?

Si : x + 1 / x = 3 hallar : x ^ 3 + 1 / x ^ 3​.

En resumen

SOLUCIÓN ♛ HØlα! ✌⚠ Recordemos que <img src="https://tex.z-dn.net/?f=%5Cboxed%7B%5Cboldsymbol%7B%28a%2Bb%29%5E3%20%3D%20a%5E3%20%2Bb%5E3%2B3ab%28a%2Bb%29%7D%7D" />Entonces <img src="https://tex.z-dn.net/?

Mejor respuesta

Norteños
10

SOLUCIÓN

♛ HØlα!

✌⚠ Recordemos que <img src="https://tex.z-dn.net/?f=%5Cboxed%7B%5Cboldsymbol%7B%28a%2Bb%29%5E3%20%3D%20a%5E3%20%2Bb%5E3%2B3ab%28a%2Bb%29%7D%7D" />Entonces <img src="https://tex.z-dn.net/?f=x%2B%5Cdfrac%7B1%7D%7Bx%7D%20%3D%203%5C%5C%5C%5C%5C%5C%5Cleft%28x%2B%5Cdfrac%7B1%7D%7Bx%7D%5Cright%29%5E3%20%3D%20%283%29%5E3%5C%5C%5C%5C%5C%5Cx%5E3%2B%5Cleft%28%5Cdfrac%7B1%7D%7Bx%7D%5Cright%29%5E3%2B3%5Cunderbrace%7B%28x%29%5Cleft%28%5Cdfrac%7B1%7D%7Bx%7D%5Cright%29%7D_%7B1%7D%5Cunderbrace%7B%5Cleft%28x%2B%5Cdfrac%7B1%7D%7Bx%7D%5Cright%29%7D_%7B3%7D%3D3%5E3%5C%5C%5C%5C%5C%5Cx%5E3%2B%5Cdfrac%7B1%7D%7Bx%5E3%7D%2B%203%281%29%283%29%20%3D%203%5E3%5C%5C%5C%5C%5C%5Cx%5E3%2B%5Cdfrac%7B1%7D%7Bx%5E3%7D%2B%209%20%3D%2027%5C%5C%5C%5C%5C%5C%5Cboxed%7B%5Cboxed%7B%5Cboldsymbol%7Bx%5E3%2B%5Cdfrac%7B1%7D%7Bx%5E3%7D%3D%2018%7D%7D%7D" />.