If {22\sqrt{2}}/{4\sqrt{2}−\sqrt{3\: + \:{\sqrt{5}}} = a + \sqrt{5}b, with a, b > 0, then what is the value of (ab) ∶ (a + b)?

SSC CGL Tier II Quant 29 Jan 2022 Paper

Question : 12 of 100

Marks: +1, -0

\;{22{√{2}}}/{4{√{2}}−√{3\: + \:{√{5}}}}

a + {√{5}}b

, with a, b > 0, then what is the value of (ab) ∶ (a + b)?

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