JEE Mains Model Paper 20

|z - 1| + |z + 3| ≤ 8
⇒ Z lies inside or on the ellipse with foci (-3, 0) (1, 0)
2a = 8
a = 4
Centre = (-1, 0)
Vertices (3, 0) (-5, 0)
|z - 4| is the distance from Z to (4, 0)
Max = 9 Min = 1