Which term of the term of AP : 7,13,9....is 205 ?
Answers
Answered by
5
205 = 7+ ( n-1)*6
=>198 = (n-1 )*6
n = 34.
hope it helps!!!
=>198 = (n-1 )*6
n = 34.
hope it helps!!!
Answered by
7
HEYA!!!!
Here is your answer :
Given,
a = 7
d = a2 - a1
d = 13 - 7
d = 6
an = 205
a + ( n - 1 ) d = 205
7 + ( n - 1 ) 6 = 205
7 + 6d - 6 = 205
1 + 6n = 205
6n = 205 -1
6n = 204
n = 204/6
n = 34
Therefore, 205 is 34th term of AP...
HOPE THIS HELPS U.
Here is your answer :
Given,
a = 7
d = a2 - a1
d = 13 - 7
d = 6
an = 205
a + ( n - 1 ) d = 205
7 + ( n - 1 ) 6 = 205
7 + 6d - 6 = 205
1 + 6n = 205
6n = 205 -1
6n = 204
n = 204/6
n = 34
Therefore, 205 is 34th term of AP...
HOPE THIS HELPS U.
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