I have an 85-year college entrance examination question, but it's a pdf, so I can't give it to you. Can you give me your email or qq and I'll send it to you? However, can you make me the best answer (this is a bit shameless, but I am short of wealth and need it urgently)

The big problem of hyperbola is to find the eccentricity of quadratic curve 3x 2-y 2+6x+2y- 1 = 0.