Which of the following points is inside the circle x2+y2−4x+2y−4=0x^2 + y^2 - 4x + 2y - 4 = 0x2+y2−4x+2y−4=0?
(5,0)(5, 0)(5,0)
(2,1)(2, 1)(2,1)
(1,−1)(1, -1)(1,−1)
(0,5)(0, 5)(0,5)