Question
Given `sqrt(5)` = 2.2361, `sqrt(3)` = 1.7321, then `(1)/((sqrt(5) - sqrt(3))` is equal to :
Answer: Option C
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`(1)/(sqrt(5) - sqrt(3))` = `(1)/(sqrt(5) - sqrt(3))` x `(sqrt(5) - sqrt(3))/(sqrt(5) - sqrt(3))`
= `(sqrt(5) - sqrt(3))/(5 - 3)` = `(2.2361 + 1.7321)/(2)` = `3.9682/2` = 1.9841.
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