SOLUTION: AN = A^1 + (n-1)d

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Question 977344: AN = A^1 + (n-1)d
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
A[n]=A[1]+(n-1)d

Triple left and triple right curly braces for rendering tags,
A%5Bn%5D=A%5B1%5D%2B%28n-1%29d

The ^1 is supposed to mean, "... to the power of 1", so indicates exponent of 1.