(ax+by)^2+(bx+ay)^2+c^2x^2+c^2y^2因式分解
问题描述:
(ax+by)^2+(bx+ay)^2+c^2x^2+c^2y^2因式分解
答
=a2x2+2abxy+b2y2+a2y2+2abxy+b2x2+c2x2+c2y2 =(a2+b2+c2)(x2+y2)+4abxy
(ax+by)^2+(bx+ay)^2+c^2x^2+c^2y^2因式分解
=a2x2+2abxy+b2y2+a2y2+2abxy+b2x2+c2x2+c2y2 =(a2+b2+c2)(x2+y2)+4abxy