Question

The number of terms in the AP 2,5,8,____59 is ?

Answer 1

Hi mate

Here is ur answer..

AP = 2,5,8,......,59

a=2

d=3

an=59

an = a + (n-1) d

59 = 2 + (n-1) 3

57 = (n-1) 3

n-1 = 19

n = 20

Hope this will help you ....

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