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1/ (√ 9 - √ 8) =?

Correct Answer: (3 + 2√2)

Explanation:

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


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