Find the 23rd term of the following A.P.:
9, 4, -1, -6, -11, ...
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Answered by
6
Answer:
a1 = 9
d = 4- 9= -5
23 term = a + 28d
= 9 + 28 × -5
= 9 + ( -140 )
= 9 - 140
23 term = -131
Answered by
5
Answer:
-101
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