(ax+by)²+(ax-by)²+c²x²+c²y²怎么因式分解?
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![(ax+by)²+(ax-by)²+c²x²+c²y²怎么因式分解?](/uploads/image/z/4488578-26-8.jpg?t=%EF%BC%88ax%2Bby%EF%BC%89%26%23178%3B%2B%EF%BC%88ax-by%EF%BC%89%26%23178%3B%2Bc%26%23178%3Bx%26%23178%3B%2Bc%26%23178%3By%26%23178%3B%E6%80%8E%E4%B9%88%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%3F)
(ax+by)²+(ax-by)²+c²x²+c²y²怎么因式分解?
(ax+by)²+(ax-by)²+c²x²+c²y²怎么因式分解?
(ax+by)²+(ax-by)²+c²x²+c²y²怎么因式分解?
=x^2(2a^2+c^2)+y^2(2b^2+c^2),实数范围内不能再分解了.
=[x√(2a^2+c^2)+iy√(2b^2+c^2)][x√(2a^2+c^2)-iy√(2b^2+c^2)],复数范围内分解成这样.