In an Arithmetic Progression, if d= –4, n = 7,an = 4, then find a.

In an AP, if d = - 4, n = 7, an = 4, then find a [Video] - Teachoo

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Transcript

Question 5 (Choice - 2) In an Arithmetic Progression, if d= –4, n = 7,an = 4, then find a. Given d = –4, n = 7,an = 4 Now, an = a + (n − 1)d Putting values 4 = a + (7 − 1) (−4) 4 = a + 6 × −4 4 = a − 24 4 + 24 = a a = 28

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.