Math, asked by Sparsh11111, 1 year ago

find the number of terms in the A.P 17,29/2,12,........-38

Answers

Answered by Pavan07

27

The A.P is 17, 14.5, 12........... -38
a=7 d=-2.5 an=-38
an=17+(n-1)-2.5
-38-17/-2.5=(n-1)
22+1=n
n=23

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