已知x₁、x₂是方程2x²＋3x－1＝0的两个实数根，不解方程，求：①(x₁－x₂)²；②$\frac{1}{x_1}$＋$\frac{1}{x_2}$的值．

    There are three people in Yang Yang's family. They like different kinds of food. Yang Yang likes rice a lot. But she doesn't like chicken at all. Her father is from Shanxi. He doesn't like rice at all. He likes chicken and bread very much. Her mother is from Dalian. She doesn't like rice or bread at all. But she likes fish and vegetables a lot. They love each other and help each other.

将下图中的“A”先向上平移3个格，再以“A”的顶点为中心逆时针旋转90°，然后向左平移5个格，画出运动后的图形。