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harmonic mean of roots of the equation (5+\sqrt2)x^2-(4+\sqrt2)x+8+2\sqrt2=0 is: options 2,4,6,8

Answer» harmonic mean of roots of the equation (5+\sqrt2)x^2-(4+\sqrt2)x+8+2\sqrt2=0 is: options 2,4,6,8


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