Find the number of terms in given A.P. 7, 13, 19,…………205.
Answers
Answered by
3
Answer:
25
Explanation:
find the number of terms in given a.p.7,13,19,is 48
Answered by
10
7, 13, 19......205.
a= 7
d=13-7 =6
An= 205
An = a+(n-1)d
205 = 7(n-1)6
205-7 = (n-1)6
198 = (n-1)
198/6 =(n-1)
33 = n-1
33+1 = n
34 = n
answer... n = 34
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