√2 /(√6+2)= কত?

A √3 + √2

B 3 - √2

C √3 - √2

D √3 - 2

Solution

Correct Answer: Option C

√2 /(√6+2)
= √2/ {√2(√3 + √2)}
= 1 x (√3 - √2)/ (√3 + √2) x (√3 - √2)
= √3 - √2/ (√3)² - (√2)²
= (√3 - √2) / (3 - 2)
= √3 - √2

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