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Q.

Let p,qR and (13i)200=2199(p+iq), i=1 then p+q+q2, and pq+q2 are roots of the equation.

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a

x2+4x1=0

b

x24x+1=0

c

x2+4x+1=0

d

x24x1=0

answer is B.

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Detailed Solution

(13i)200=2199(p+iq)
(1232i)200=p2+iq2
(cosπ3isinπ3)200=p2+iq2
12i32=p2+iq2
p=1,q=3
p+q+q2=23    pq+q2=2+3
Q.Eqn   is  x24x+1=0

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