The first term of a G.P. is 27 and its 8^th term is 1/81. Find the sum of its first 10 terms?

Question

The first term of a G.P. is 27 and its 8^th term is 1/81.  Find the sum of its first 10 terms?

KnowledgeBoat · Accepted Answer

Given, ⇒ a = 27 ⇒ a₈ = ar⁷ = ⇒ 27r⁷ = ⇒ r⁷ = ⇒ r⁷ = ⇒ r⁷ = ⇒ r = . Since, r 1 Hence, sum =

Mathematics