If the harmonic mean between the roots of (5+\\sqrt{2}) x^{2}-b x+(8+2 \\sqrt{5})=0 is 4, then the value of b is

AP EAMCET Engineering 2013 Solved Paper

Section: Mathematics

Question : 91 of 160

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If the harmonic mean between the roots of (5+√2)x2−bx+(8+2√5)=0 is 4, then the value of b is

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