Nth term = 5-3n find a and d
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Nth term = an = 3n + 5 (given) a(n-1) = 3 (n – 1) + 5 = 3n + 2 Common difference = d = an – a(n-1) = (3n + 5) – (3n + 2) = 3n + 5 – 3n – 2 = 3Read more on Sarthaks.com - https://www.sarthaks.com/706497/the-nth-term-of-an-ap-is-3n-5-find-its-common-difference
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