1.If the equation a∣z∣2+aˉz+azˉ+d=0a|z|^2 + \bar{a}z + a\bar{z} + d = 0a∣z∣2+aˉz+azˉ+d=0 represents a circle where a,da, da,d are real constants, then which of the following conditions is correct?a.∣a∣2−ad>0|a|^2 - ad > 0∣a∣2−ad>0b.∣a∣2−ad>0|a|^2 - ad > 0∣a∣2−ad>0 and a∈R−{0}a \in \mathbb{R} - \{0\}a∈R−{0}c.∣a∣2−ad>0|a|^2 - ad > 0∣a∣2−ad>0 and a∈Ra \in \mathbb{R}a∈Rd.a=0a = 0a=0, a,d∈R+a, d \in \mathbb{R}^+a,d∈R+Login to continueOnly logged in users canattempt or see the solution.
