1.

`(sqrt(19)-sqrt(17)), (sqrt(13)-sqrt(11)),(sqrt(7)-sqrt(5))` and `(sqrt(5)-sqrt(3))` इनमें से सबसे बड़ी संख्या कौन सी है?A. `sqrt(19)-sqrt(17)`B. `sqrt(13)-sqrt(11)`C. `sqrt(7)-sqrt(5)`D. `sqrt(5)-sqrt(3)`

Answer» Correct Answer - D
`(sqrt(19)-sqrt(17))implies(sqrt(19)-sqrt(17))xx`
`(sqrt(19)+sqrt(17))/(sqrt(19)+sqrt(17))implies(19-17)/(sqrt(19)+sqrt(17))=2/(sqrt(19+sqrt(17))`
Similarly: `(sqrt(13)-sqrt(11))implies2/(sqrt(13)+sqrt(11))`
`(sqrt(5)-sqrt(3))implies2/(sqrt(5)+sqrt(3))`
Largest (Because Same Numerator is divided by Smallest denominator


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