已知双曲线x^2/a^2-y^2/b^2=1(a>0,b>0)两焦点为F1F2,过F2作x轴的垂线交双曲线于AB

问题描述:

已知双曲线x^2/a^2-y^2/b^2=1(a>0,b>0)两焦点为F1F2,过F2作x轴的垂线交双曲线于AB