Question

How many terms are there in the A.P. 187, 194,
201, ..., 439?
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Answer 1

a = 187

d = 194-187 = 7

nth term = a+(n-1)d

439 = 187 +(n-1)7

(n-1)7 = 252

n-1 = 36

n = 37

Therefore, there are 37 terms in the AP

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Answer 2

Step-by-step explanation:

given,

a=187

d=194-187

d=7

An=439

by formula,

An=a+(n-1)d

439=187+(n-1)7

439-187=(n-1)7

252=(n-1)7

252/7=n-1

36=n-1

n=36+1

n=37