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`(sqrt(2)+sqrt(7-2sqrt(10)))` के बराबर है।

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`(sqrt(2)+sqrt(7-2sqrt(10)))` के बराबर है।
A. `sqrt(2)`
B. `sqrt(7)`
C. `sqrt(5)`
D. `2sqrt(5)`
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Correct Answer - C
`(sqrt(2)+sqrt(7-2sqrt(10)))`
`implies sqrt(2)+sqrt((5)^(2)+(sqrt(2))^(2)-2sqrt(5)sqrt(2))`
`impliessqrt(2)+sqrt((sqrt(5)-sqrt(2))^(2))`
`impliessqrt(2)+sqrt(5)-sqrt(2)impliessqrt(5)`
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