find the nth term of an AP 5,9,13...
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Answer:
AP is 5, 9, 13, 17...
= 4n +1 this is the correct answer
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Step-by-step explanation:
AP is 5, 9, 13, ..
a = 5
d = 9 - 5 = 4
a(n) = a + (n -1) d
= 5 + ( n -1) 4
= 5 + 4n - 4
= 4n +1
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