The midpoint of line segment joining (2a, 4) & (–2, 2b) is (2, 2a + 1). Find the values of a & b.
a = 3, b = 3
a = 2, b = 4
a = 2, b = 5
a = 3, b = 5
a = 3, b = 4
a = 2, b = 3