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Rationalise the denominator of 1/((8 + 5√2))"Rationalise the denominat

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Rationalise the denominator of 1/((8 + 5√2)) We have 1/((8 + 5√2)) = 1/((8 + 5√2)) × ((8 − 5√2))/((8 − 5√2)) = ((8 − 5√2))/((8)^2 − (5√2)^2 ) = ((8 − 5√2))/(64 − 50) = ((𝟖 − 𝟓√𝟐))/𝟏𝟒

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.