in A.P if an 3-2n then it's 5th term
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Answer:
5th term = -7
Step-by-step explanation:
3-2n
when n = 1 then 1st term a= 1
when n = 2 then 2nd term = -1
d = 2nd term - 1st term
= -1 - 1
d = -2
5th term = a + (n-1) d
= 1 + (5-1) -2
= 1 - 8
= -7
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