Question

Find the area bounded by the curves 4 ≤ x2 + y2 ≤ 2(|x| + |y|).

Answer 1

Given curves are

4 ≤ x2 + y2 ≤ 2 (|x| + |y|)

Hence, the required area

= 4 (π – (π – 2))

= 8 sq.u.