数学高手进!!(急!)
设abc为三角形ABC的边,且有a2-16b2-c2+6ab+10bc=0(2表示平方)
求证:a+c=2b.
参考答案:老兄,慢慢想吧!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
设abc为三角形ABC的边,且有a2-16b2-c2+6ab+10bc=0(2表示平方)
求证:a+c=2b.
参考答案:老兄,慢慢想吧!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!