Math, asked by atharvapote60, 1 year ago

Find the ratio of : Sn and tn

n÷2[2a+(n-1)d
-------------------
a+(n-1)d

Answers

Answered by ashok8816
0
... n/2*(a+l) but l = a+(n-1)d, so substituting this gives: ... One for when the ratio is less than 1 and one of when the ratio is above one 1?
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