If \frac{\sqrt50 + \sqrt98 + \sqrt72}{5\sqrt2−\sqrt18} + (\sqrt75 + \sqrt108−\sqrt147) = a + b\sqrt3, then the value of 4a - 7b will be:

AAI ATC Junior Executive 2018 Shift 2 Paper

Question : 30 of 120

Marks: +1, -0

\;{√50 + √98 + √72}/{5√2−√18} + (√75 + √108−√147) = a + b√3

, then the value of 4a - 7b will be:

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