Only Approach Matters Answer Don't
Geometry
Level
3
Given constants \(\lambda ,\mu \in { \Re }^{ + }\), consider the set of points \(x, y \) such that \[ 2 \leq \left| x+y+\lambda \right| + \left| x-y+\mu \right| \leq 4.\]
What is the area of this region ?
by
Deepanshu Gupta