2y2 + (4/y2) = 9. Find two roots of the equation
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Step-by-step explanation:
4y+2/y=9
4y^2/y+2/y=9
4y^2+2=9y
4y^2-9y+2=0
4y^2-8y-y+2=0
4y(y-2)-1(y-2)=0
(4y-1)(y-3) =0
y=1/4 or y=3
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