If iz3+z2−z+i=0, then |z|=1. If this is true enter 1, else enter 0.
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Q2
For complex number z1=x1+iy1 and z2=x2+iy2, we write z1∩z2, If x1≤x2 and y1≤y2. Then for all complex numbers z with 1∩z, we have ((1−z)/(1+z))∩0. If this is true enter 1, else enter 0.
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Q3
If |z|≤1,|w|≤1, then |z−w|2≤(|z|−|w|)2+(argz−argw)2. If this is true enter 1, else enter 0.