Complex Number and Quadratic Equations
If z is a complex number such that ∣z∣≥2, then the minimum value of ∣∣z+21∣∣
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If n is a positive integer but not a multiple of 3 and z=−1+3, then (z2n+2nzn+22n) is
If z = 2 + 3i. find the value of zˉ and |z|
The solution of the equation ∣z∣−z=1+2i is
If z=t+3+i5−t2,t2<5 then ∣∣z−2z+2∣∣2=
Given that the two curves arg(z) = 6π and ∣∣z−23i∣∣=r intersect in two distinct points, then (Note : [r] represents integral part of r)
find multiplicative inverse of (z−)z=3+4i then z−1=?