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Example 18 - Rationalize the denominator of 1/(2 + root 3) - Rationalising

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Example18 Rationalize the denominator of 1/(2+√3). To rationalize, We multiply and divide by 2 - root 3 Let's check the video 1/(2+√3) = 1/(2+√3) × (2 −√3)/(2−√3) = (2 −√3)/(22−(√3)2) = (2 −√3)/(4−3) = (2 −√3)/1 = 2 -√3 .

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Davneet Singh

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.