The difference between n th term and 8th term of an arithmetic sequence is 20. Find the common difference
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Our formula is: an = a1 + (n-1)d.
Here, 'd' is the common difference, 2, and 'n' is the 20 since we're looking for the 20th term.
'a1' is the first term, and 'an' should be 'a20' , which is the 20th term.
Step-by-step explanation:
Hope it helps you
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