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Ex 9.1, 10 - Find 20th term an = n(n - 2)/(n + 3) - Finding Sequences

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Ex9.1 , 10 Find the 20th term in the following sequence whose nth term is an =" " (n(n−2))/(n+3) ; We need to find a20 an =" " (n(n−2))/(n+3) Putting n = 20 a20 = (20(20−2))/(20+3) = (20(18))/23 = 360/23 Hence the 20th term is 360/23

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.