find the common difference of following A.P
-3, 5, 7-9
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Answer:
The given Ap is 5 , 7 , 9, 11 , 13 ........ 183
[°] First term = 5
[°] Common difference = ( 9 - 7) = 2
Therefore , a = 5 , d = 2
{°} To find which term is 183 , we have
An = a + (n - 1)d
An = 5 + (n - 1)2 = 183
= 5 + (n - 1) × 2 = 180
= 5n = 180 ==> n = 36
So , 36th term of the AP is 183
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