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B
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C
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D
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Solution
The correct option is A 1 arg (z2+¯z√z)=2argz3/8=argz3/4 arg arg(z2+¯z√zz3/4)=0,z5/4+¯z.z−1/4=λ∈R with z = reiθ,theimaginary part gives r5/4sin5θ4−r34sin5θ4=0 ⟹r=1