Rationalise the denominator 1/√9 -√8
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1/(√9 -√8) × (√9+√8)/(√9+√8)
(√9+√8)/{(√9)²-(√8)²}
(√9+√8)/{9-8}
(√9+√8)/1
√9+√8 is the answer
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Answer:
√9+√8 .... is the correct answer
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