Write an explicit formula for a n the nth term of of the sequence 5,15,25

an = 10n - 5

Step-by-step explanation:

Write an explicit formula for a n the nth term of of the sequence 5,15,25

An explicit formula for the above question is;

an = a+ (n - 1)d

Where

a = First term

d = Common Difference

n = nth term

We are given the sequence below:

5,15,25

The first term a = 5

Common Difference = 15 - 5 = 10

To find the nth term = an

an = a+ (n - 1)d

an = 5 + (n - 1)10

an = 5 + 10n - 10

an = 10n - 5

20

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