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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 has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.