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इनमें से कौन सा परिमेय सबसे बड़ा है: `sqrt(7)-sqrt(5),sqrt(5)-sqrt(3),sqrt(9)-sqrt(7),sqrt(11),sqrt(9)`A. `sqrt(7)-sqrt(5)`B. `sqrt(5)-sqrt(3)`C. `sqrt(9)-sqrt(7)`D. `sqrt(11)-sqrt(9)`

Answer» Correct Answer - B
`sqrt(7)-sqrt(5)implies(sqrt(7)-sqrt(5))((sqrt(7)+sqrt(5)))/((sqrt(7)+sqrt(5)))implies2/((sqrt(7)+sqrt(5)))`
`implies sqrt(5)-sqrt(3)implies2/(sqrt(5)+sqrt(3))` Largest
`impliessqrt(9)-sqrt(7)implies2/(sqrt(9)+sqrt(7))`
`implies sqrt(11)-sqrt(9)implies2/(sqrt(11)+sqrt(9))`
`=sqrt(5)-sqrt(9)`


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