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`sqrt(5)=2.236` and `sqrt(3)=1.732` दिया गया है तो `1/(sqrt(5)+sqrt(3))` का मान क्या है?

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`sqrt(5)=2.236` and `sqrt(3)=1.732` दिया गया है तो `1/(sqrt(5)+sqrt(3))` का मान क्या है?
A. `0.564`
B. `0.504`
C. `0.252`
D. `0.202`
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Correct Answer - C
`1/(sqrt(5)+sqrt(3))xx(sqrt(5)-sqrt(3))/(sqrt(5)-sqrt(3))=(sqrt(5)-sqrt(3))/(5-3)implies(2.236-1.732)/2`
`implies 0.504/2=0.252`
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