Question

Find 20th term from the last term of the
A,p, 13, 19,25........ 205​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

$a = 13$

$d = 19 - 13 = 6$

$a{n} = a + (n - 1)d = 205$

$= 13 + (n - 1)(6) = 205$

$= (n - 1)(6) = 205 - 13$

$= (n - 1) (6)= 192$

$= (n - 1) = \frac{192}{6}$

$n = 26 + 1 = 27$

answer:-

$an = 27$