2√2x2-9x+5√2​ = 0
2√2x2-4x -5x +5√2​ = 0
2√2x(x-√2) -5 ( x- √2) =0
(x-√2)(2√2x-5) = 0
x = √2 or x = 5/2√2
Sum of roots = (-b/a) = 9/2√2
√2 + 5/2√2 = (4+5)/2√2 = 9/2√2
Product of the roots (c/a) = 5/2
√2 x 5/2√2 = 5/2
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