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x-2-2000x-1-0-Roots-a-and-b-x-2-2008x-1-0-Roots-c-and-d-Find-a-c-b-d-a-d-b-c-




Question Number 215072 by hardmath last updated on 27/Dec/24
x^2  + 2000x + 1 = 0  Roots:  a  and  b  x^2  − 2008x − 1 = 0  Roots:  c  and  d  Find:  (a+c)(b+d)(a−d)(b−c) = ?
$$\mathrm{x}^{\mathrm{2}} \:+\:\mathrm{2000x}\:+\:\mathrm{1}\:=\:\mathrm{0} \\ $$$$\mathrm{Roots}:\:\:\boldsymbol{\mathrm{a}}\:\:\mathrm{and}\:\:\boldsymbol{\mathrm{b}} \\ $$$$\mathrm{x}^{\mathrm{2}} \:−\:\mathrm{2008x}\:−\:\mathrm{1}\:=\:\mathrm{0} \\ $$$$\mathrm{Roots}:\:\:\boldsymbol{\mathrm{c}}\:\:\mathrm{and}\:\:\boldsymbol{\mathrm{d}} \\ $$$$\mathrm{Find}:\:\:\left(\mathrm{a}+\mathrm{c}\right)\left(\mathrm{b}+\mathrm{d}\right)\left(\mathrm{a}−\mathrm{d}\right)\left(\mathrm{b}−\mathrm{c}\right)\:=\:? \\ $$

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