1. Find the 12 term and nth term of the AP 16, 9, 2, -5 is ____________
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Answer:
- 61
Step-by-step explanation:
t = a + (n - 1)d
a = 16
d = -7
n = 12
t = 16 + (12-1)-7
t = 16 + (11x-7)
t = 16 - 77
t = - 61
Therefore, 12 term is - 61.
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23-7n is the nth term of A.P.
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