AP EAMCET Engineering 21 Sep 2020 Shift 1 Paper

Section: Mathematics

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Question : 26 of 160

Marks: +1, -0

If 2+4i is one of the roots of x2+bx+c=0 with b,c∊R, then (b,c)=

(4,−20)
(4,20)
(−4,−20)
(−4,20)

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