In the Gauss plane, the set: {z € C: 12 +1 +il <√2, Rez+ Im z >0} a) is a half-plane how I solved it z: a+ib latib+1+il <√2 b) is a disk a) contains one point only d) is emply e) contains the half-line of positive real numbers an-y √(a +1²+i(6+1)² <√2 (a + 1)² + (b+1)²³ < 2

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