Math, asked by kajalmeena4150, 7 months ago

find the number of terms in A. P 7,13,19....205​

Answers

Answered by jayeshkhandelwal14
1

Answer:

an=a+(n-1)d

205=7+(n-1)6

198=(n-1)6

33=(n-1)

n=34

Answered by Anonymous
2

Solution:

a = 7

d = 13 - 7 = 6

An = 205

Since,

An = a + (n - 1) d

205 + 7 + (n - 1) 6

205 - 7 = (n - 1) 6

198 = (n - 1) 6

198/6 = n - 1

33 = n - 1

33 + 1 = n

n = 34

Therefore, number of terms in the given A.P. = 34.

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