3 Th cn \(C \mathbf { h }\) sp areq tin \(r = 2 + 2\) co \(\theta\), fo \(0 \leqslant \theta \leqslant \pi\).
- Sk tch \(C\).
- Fid \(b\) area 6 th reg œ \(n\) lo edy \(C\) ad \(b\) in tial lie .
- Sh the the Cartesiare q tim \(C\) carb essed \(\mathrm { s } \left( 4 x ^ { 2 } + y ^ { 2 } \right) = \left( x ^ { 2 } + y ^ { 2 } - 2 x \right) ^ { 2 }\). \(\quad [ \beta\)