MatemáticasBásico1 respuestas

X⁴ - 17x² + 72 = 0 ayudenme por favor?

X⁴ - 17x² + 72 = 0 ayudenme por favor.

En resumen

X⁴ - 17x² + 72 = 0 (<img src="https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20" /> - 9)(<img src="https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20" /> - 8) = 0 (<img src="https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20" /> - 9) = 0 <img src="https://tex.z-dn.net/?

Mejor respuesta

Dsantamaria
2

X⁴ - 17x² + 72 = 0

(<img src="https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20" /> - 9)(<img src="https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20" /> - 8) = 0

(<img src="https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20" /> - 9) = 0

<img src="https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20" /> = 9

<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B%20x%5E%7B2%7D%20%7D%20%3D%20%5Csqrt%7B9%7D%20" />

<img src="https://tex.z-dn.net/?f=%20x_%7B1%7D%20" /> = 3

(<img src="https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20" /> - 8) = 0

(<img src="https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20" /> = 8

<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B%20x%5E%7B2%7D%20%7D%20%3D%20%5Csqrt%7B8%7D%20" />

<img src="https://tex.z-dn.net/?f=%20x_%7B2%7D%20" /> = 2.

828.