Calculate reciprocal of z=0.8-1.8i:

Correct answer:

Re =  0.21
Im =  0.46

Step-by-step explanation:

z1=0.81.8i1=0.81.8i1.0.8+1.8i0.8+1.8i Rez1=0.82+(1.8)20.8=0.21
Imz1=0.82+(1.8)21.8=0.46 z1=0.21+0.46i

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