Ejercicio 15Ago2019 - Productos Notables
(a2-ab)2=
Tip: Utilizando leyes de los exponentes,
       este problema puede realizarse
       en 2 pasos.
a4-2a4b2+a2b2
a4+2a3b-a2b2
a4-2a3b+a2b2
a4-a3b+2a2b2
(ax+xy)(ax-xy)=
a2x2-x2y2
a2x2-2ax2y2-x2y2
a2x2-2ax2y-x2y2
a2x2+x2y2
(a-b+c)(a+b+c)=
a2+b2+c2-2ab+2ac-2bc
a2+2ac+c2-b2
a2+2ac-b2c2-bc
a2-b2+c2-2ab+2ac-2bc
(4x-2)(3x+2)=
12x2-2x-4 
12x2+2x-4 
12x2+5x-4 
12x2-5x-4 
(3m-2n2)3=
27m3+54m2n2-36mn4-8n6
27m3-54m3n6+36m3n4-8n6
27m3-36m2n2+54mn4-8n6
27m3-54m2n2+36mn4-8n6
(x4+1)(x2+1)(x2-1)=
x8+x4-x2+1
 x8-x4+3
x8+x6-x4+1
x8-1
(a-b+c-d)2=
a2+b2+c2+d2-2ab+2ac-2ad-2bc+2bd-2cd
a2+b2+c2+d2+2ab-2ac+2ad+2bc-2bd+2cd
 a2+b2+c2+d2+2ab+2ac+2ad+2bc-2bd-2cd
a2+b2+c2+d2+2ab-2ac-2ad+2bc-2bd-2cd
(x+y+3)(x+y-3)=
x2+y2+2xy-9
x2+y2+xy+2x-3y-9
x2+y2+4xy-9
x2+y2+2xy+2x+2y-9
(x+y+z)(x+y-z)(x-y+zx-y-z)=
x4+y4+z4+x2y2-x2z2-y2z2
x4+y4+z4+2x2y2-2x2z2-2y2z2
x4+y4+z4-2x2y2-2x2z2+2y2z2
x4+y4+z4-2x2y2-2x2z2+2y2z2
(u-v)3(u+v)3=
u6-2u4v2+2u2v4-v6
u6-3u4v2+3u2v4-v6
u6+2u4v2+2u2v4-v6
u6-v6
Les étudiants ayant complété ce test ont aussi complété :

Créé avec That Quiz — le site de création et de notation de tests de math et d'autres matières.