Question

find the Quadrilateral equation whose zero are (2+root5) root2 and(2-root5) root2
$(2 + \sqrt{5)} \sqrt{2 \:(2 - \sqrt{5) \sqrt{2} } }$
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Answer 1

Answer:

Sum of roots=4root2

Product of root=-2

equation is,

x^2-(sum of roots)x +(product of roots) =0

x^2-4root2x-2=0