a(n)=a1+(n-1)d

a(n)=a1+(n-1)d
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1 Answer

?????????????????? got a quesshun ?????????????

yer formula is arithmetik sequens, like 1, 2, 3, 4, 5, .....

but yu giv first term=a1

& yu add "d" tu get next term

????? yu wanna kalk sumthun bout the sequens, such as sum, averaej, raenj...
by

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