Let C1 and C2 be the two curves on the complex plane defined as C1:z+¯z=2|z−1| C2:arg(z+1+i)=α Where α belongs to the interval (0,π2) such that curves C1 and C2 have exactly one point in common and which is denoted by P(z0) The area enclosed by the curve C1, C2 and positive real axis is