[" 21.The locus of a which lies in shaded region (excluding "],[" boundaries) is best represcnted by "]

The locus of z which lies in shaded region (excluding the boundaries) is best represented by Fig z :|z+1|>2a n d|"a r g"(z+1)| 2a n d|"a r g"(z-1)| 2a n d|"a r g"(z+1)| 2a n d|"a r g"(z-1)|

area of shaded region

The locus of z which lies in shaded region is best represented by

Shaded region is represented by

Shaded region is represented by

Find the area of shaded region

Find the area of shaded region

Find the area of shaded region

Shaded region is repersented by

The shaded region represents