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bearhunter [10]
3 years ago
7

Consider the sequence {3,6,9,12,15,…}. Find n if an = 735. Show all steps including the formulas used to calculate your answer.

Mathematics
1 answer:
vekshin13 years ago
5 0

Answer:

n = 245

Step-by-step explanation:

The given sequence is 3,6,9,12,15,…

nth term of the AP is 735

We know that, the nth term of an AP is given by :

a_n=a+(n-1)d

d is common difference, d = 6-3 = 3

Put all the values to find n.

735=3+(n-1)3\\\\732=(n-1)3\\\\\dfrac{732}{3}=n-1\\\\n=244+1\\\\n=245

So, there are 245 terms in the sequence.

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