√2/(√6+2)=?

A    √3+√2

B    3-√2

C    √3-√2

D    √3+2

Solution

Correct Answer: Option C

 

√2/(√6+2)= √2 / (√3√2-√2√2 )=  √2 / √2 (√3-√2)                     = 1/ (√3-√2) = (√3+√2)/ (√3+√2) (√3-√2) =(√3+√2)/ 3-2 = (√3+√2)

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