Question

The nth term is 88 in a AP a1 = 1

d = 3

find n .??

Answer 1

Answer:

n = 30

Explanation:

an = 88 a = 1. d = 3

We have formula an = a + (n -1)d

88 = 1 +(n-1)3

87 = 3n -3

90 = 3n

n = 30

Answer 2

Answer:

n=30

Explanation:

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