Example 1 (ii) - Chapter 8 Class 11 Sequences and Series

Last updated at April 16, 2024 by

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Example 1 Write the first three terms in each of the following sequences defined by the following: (ii) an = (𝑛 − 3)/4 We need to find first three terms a1, a2, a3 an = (𝑛 − 3)/4 putting n = 1 in (1) a1 = (1 − 3)/4 = (−2)/4 = (−1)/2 Putting n = 2 in (1) a2 = (2 − 3)/4 a2 = ( −1)/4 Putting n = 3 in (1) a3 = (3 − 3)/4 a3 = 0/4 a3 = 0 Hence first three terms are −1/2, −1/4, 0

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.