# What is an arithmetic sequence? Write a formula for the nth term of an arithmetic sequence.

What is an arithmetic sequence? Write a formula for the nth term of an arithmetic sequence.
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Step 1:

The definition of arithmetic sequence is,
The arithmetic sequence is sequence where the difference between the two successive term is constant
Step 2:

The formula of the nth term of the sequence is,
${a}_{n}={a}_{1}+\left(n-1\right)d$
Where, ${a}_{n}$ repreesnts nth term.
${a}_{1}$ repreesnts 1th term d repreesnts the common difference