[1 + ((a - x) / (a + x)) ^ 2 ]÷[1 - ((a - x) / (a + x)) ^ 2 ]?
[1 + ((a - x) / (a + x)) ^ 2 ]÷[1 - ((a - x) / (a + x)) ^ 2 ].
[1 + ((a - x) / (a + x)) ^ 2 ]÷[1 - ((a - x) / (a + x)) ^ 2 ].
En resumen
<img src="https://tex.z-dn.net/?
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B%5Cleft%5B1%2B%5Cleft%28%5Cfrac%7B%5Cleft%28a-x%5Cright%29%7D%7B%5Cleft%28a%2Bx%5Cright%29%7D%5Cright%29%5E2%5Cright%5D%7D%7B%5Cleft%5B1-%5Cleft%28%5Cfrac%7B%5Cleft%28a-x%5Cright%29%7D%7B%5Cleft%28a%2Bx%5Cright%29%7D%5Cright%29%5E2%5Cright%5D%7D" />
<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BAplicar%5C%3Alas%5C%3Aleyes%5C%3Ade%5C%3Alos%5C%3Aexponentes%7D%3A%5Cquad%20%5Cleft%28%5Cfrac%7Ba%7D%7Bb%7D%5Cright%29%5Ec%3D%5Cfrac%7Ba%5Ec%7D%7Bb%5Ec%7D" />
<img src="https://tex.z-dn.net/?f=%3D%5Cfrac%7B1%2B%5Cfrac%7B%5Cleft%28a-x%5Cright%29%5E2%7D%7B%5Cleft%28a%2Bx%5Cright%29%5E2%7D%7D%7B1-%5Cfrac%7B%5Cleft%28a-x%5Cright%29%5E2%7D%7B%5Cleft%28a%2Bx%5Cright%29%5E2%7D%7D" />
<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BSimplificar%7D%5C%3A1%2B%5Cfrac%7B%5Cleft%28a-x%5Cright%29%5E2%7D%7B%5Cleft%28a%2Bx%5Cright%29%5E2%7D%5C%3A%5Cmathrm%7Ben%5C%3Auna%5C%3Afraccion%7D%3A" />
<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BEncontrar%5C%3Ael%5C%3Aminimo%5C%3Acomun%5C%3Adenominador%5C%3Apara%7D%5C%3A%5Cfrac%7B1%7D%7B1%7D%2B%5Cfrac%7B%5Cleft%28a-x%5Cright%29%5E2%7D%7B%5Cleft%28a%2Bx%5Cright%29%5E2%7D%3A%5Cquad%20%5Cleft%28a%2Bx%5Cright%29%5E2" />
<img src="https://tex.z-dn.net/?f=%3D%5Cfrac%7B%5Cleft%28a%2Bx%5Cright%29%5E2%2B%5Cleft%28a-x%5Cright%29%5E2%7D%7B%5Cleft%28a%2Bx%5Cright%29%5E2%7D" />
<img src="https://tex.z-dn.net/?f=%3D%20%5Cfrac%7Ba%5E2%2B2ax%2Bx%5E%7B2%7D%20%2Ba%5E%7B2%7D-2ax%2Bx%5E2%20%7D%7B%5Cleft%28a%2Bx%5Cright%29%5E2%7D%20" />
<img src="https://tex.z-dn.net/?f=%3D%5Cfrac%7B2a%5E2%2B2x%5E2%7D%7B%5Cleft%28a%2Bx%5Cright%29%5E2%7D" />
<img src="https://tex.z-dn.net/?f=%3D%20%5Cfrac%7B%5Cfrac%7B2a%5E2%2B2x%5E2%7D%7B%5Cleft%28a%2Bx%5Cright%29%5E2%7D%7D%7B1-%5Cfrac%7B%5Cleft%28a-x%5Cright%29%5E2%7D%7B%5Cleft%28a%2Bx%5Cright%29%5E2%7D%7D%20" />
<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BSimplificar%7D%5C%3A1-%5Cfrac%7B%5Cleft%28a-x%5Cright%29%5E2%7D%7B%5Cleft%28a%2Bx%5Cright%29%5E2%7D%5C%3A%5Cmathrm%7Ben%5C%3Auna%5C%3Afraccion%7D%3A" />
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2. 6 si esto te ayuda.
Recordemos que el rombo se caracteriza por tener la lados iguales y sus diagonales se cortan en partes iguales y perpendicularmente (90°) ademas que tienen los angulo opuestos iguales asi que al cortase las diagonales…