Asked by moipone booysen
Determine the 10th and 21st terms of each of the arithmetic sequences: 4+7x; 5+9x; 6+ 11x.......
Answers
Answered by
Damon
a21 = a1 + 20 d
a10 = a1 + 9 d
a10 = a1 + 9 d
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