Given the expression Sn = n^2 + 2n for the sume of the first n terms of a series, determine
a) An expression, in simplified form, for Sn-1 in tmers of n
b) an expression, in simplified form, for the nth terms, tn in terms of n
a) An expression, in simplified form, for Sn-1 in tmers of n
b) an expression, in simplified form, for the nth terms, tn in terms of n
1 answer
1 answer
1 answer
1 answer