Acertain arithmetic sequence has the following explicit formula for the nth term
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step-by-step explanation:

the nth term of arithmetic sequence can be written as

where is the first term, d is the difference.

you are given formula

so

the difference of arithmetic sequence means that two consecutive terms differ by d, so

chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.

example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.