Find the nth term of the arithmetic sequence whose initial term is 1 and common difference is 2 Your answer must be a function of n . seems easy i think it would be 1+2n but thats not right anyone know what im doing wrong
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Originally Posted by dat1611 Find the nth term of the arithmetic sequence whose initial term is 1 and common difference is 2 Your answer must be a function of n . seems easy i think it would be 1+2n but thats not right anyone know what im doing wrong That would make the first term $\displaystyle a_1=3$, unless you want to start from $\displaystyle n=0$. Try: $\displaystyle a_n=-1+2n$ or: $\displaystyle a_n=1+2(n-1)$ CB
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