1/ (√9 - √8) = ?

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1/ (√9 - √8) = ?

1. (3 - 2√2) / 2
2. 1/ (3 + 2√2)
3. (3- 2√2)
4. (3 + 2√2)

Correct Option: D

Exp. = 1 / (√9 - √8)
= [1 / (√9 - √8)] x [(√9 + √8) / (√9 + √8)]
= (3 + 2√2 ) / (9 - 8)
= (3 + 2√2)