If b + c = ax, c + a = by, a + b = cz, then the value of \frac{1}{9} [\frac{1}{x\: + \:1} + \frac{1}{y + 1}\: + \:\frac{1}{z\: + \:1}] is:

SSC CGL 6 Mar 2020 Shift 3 Paper

Question : 53 of 100

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If b + c = ax, c + a = by, a + b = cz, then the value of

\;{1}/{9} [\;{1}/{x\:\;+\;\:1} + \;{1}/{y\;+\;1}\: + \:\;{1}/{z\:\;+\;\:1}]

is:

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