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Sagot :
Answer:
nth term = 7 + ( n- 1) × d
explanation:
the formula for this particular arithmetic progression is nth term = a + (n-1) × d
- a is the first term of the sequence, here it is 7
- n is the number of the term you are finding
- and d is the common difference between the terms.
so , the formula for this sequence is
nth term = 7 + (n-1) × 6
find any term with this formula to check if it is correct.
3rd term = 7 + ( 3 -1 ) × 6
= 7 + 12
= 19
so it is correct .
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